µg/pm² µg/pm²>g/m² What is µg/pm² Basis Weight. However, 90 gsm is not standard, so the closest paper conversion is to 100 grams per square meter stock. Manufacturers of Digital Printing Equipment today utilize this measure as a guideline for machine settings. the manufacturing process before the paper was cut to size. The dimensions of A4 paper are 29,7 x 21 centimeters, so 0,297 x 0,210 = 0,06237 square meter. Gsm stands for "grams per square meter." Basis weight rounding guidelines: Results are rounded to … page covers the different stock types generally available. The weight of paper in countries that use ISO paper sizes is defined by ISO 536 Paper and Board - Determination of Grammage. It is usually specified for flat sheets of uniform thickness, paper, fabric, plastic. The grammage of paper is in this case 80 grams per 1 square meter. In the former case, the standard ream is 500 sheets of 17-by-22-inch (432 by 559 mm) paper, and in the latter, 500 sheets of 24-by-36-inch (610 by 914 mm) paper. Conversion Pound to GSM Grammage. Newsprint was made from ground wood pulp, and ground wood hanging paper (wallpaper) was made on newsprint machines. Caliper is usually measured in micrometers (μm), or in the United States also in mils (1 mil = ​1⁄1000 in = 25.4 μm). The higher the GSM number, the heavier the paper. A Paper Sizes for more information and here for US Paper Sizes. In the US system, the weight is specified in avoirdupois pounds and the sheet count of a paper ream is usually 500 sheets. Quite simply, it allows print buyers and print suppliers to know exactly about the quality of paper that is being ordered. In the paper industry, the abbreviation 'gsm' refers to . The below example is a basis weight calculation for a ream of 25” x 38” book paper that weighs 67.3 grams per sq. 80gsm, 90gsm, 120gsm). It can also be calculated from material density and thickness. Conversion tables for Basis Weight to Grammage Conversion. Commonly, 20-pound bond paper ranges between roughly 97 to 114 μm (0.0038 to 0.0045 in) in thickness.[2]. Paper Grade and Size Grade and Size Bond (17 × 22) Book and Offset (25 × 38) Tag (24 × 36) Index (25.5 × 30.5) Vellum Bristol (22.5 × 28.5) C1S and C2S SBS (24 × 36) Coated Cover C2S (20 × 26) Litho C1S Label (25 × 38) Opaque Cover (20 × 26) Recycled Board (288 sq. In countries that use American paper sizes, a less direct measure known as basis weight is used in addition to or instead of grammage. Typically grammage is measured in paper mill on-line by a quality control system and verified by laboratory measurement. The basis weight of paper is the density of paper expressed in terms of the mass of a ream of given dimensions and a sheet count. 1 pascal is equal to 101.97162129779 grams per (square meter), or 3.0075025398914 ounces per (square yard). The standard dimensions and sheet count of a ream vary according to the type of paper. # is often used in place of lb when referring to basis weights). The term 'GSM', which stands for 'grams per square meter', is a unit of measurement for paper products. The GSM (grams per square meter) tells paper consumers how dense a paper is. the other types from the 'default' Bond. Click the link for a table of weights of individual sheets of 4A0, 2A0, A0, A1, A2, A3, A4, A5, and solicitors use heavier weight paper ranging from 90gsm to 120gsm for formal correspondance. If you had half a square meter that weighed 300 grams the gsm would equal 600gsm – grams per square meter. There are two conventions currently in widespread use for paper weights. This is known as the A micron, a metric unit, equals one-millionth of a meter. Hi Liz you would have to measure the area of the paper. Units are inches except where noted. The European system of measuring the thickness of a paper uses grams per square meter (g/m2). So if we have 16 sheets of A4 paper with a weight of 80gsm, they will have a weight of 80 grams. In the United States, paper is measured in quite another fashion and designated in pounds. Often, this is a size used during the manufacturing process before the paper was cut to the dimensions in which it is sold. The tables below give the weights of sheets of the ISO 216 A paper sizes for various The unit is often used to measure density or thickness of paper. It stands for Grams per Square Meter. "Gsm" stands for grams per square meter (g/m²). The 25-by-38-inch (635 by 965 mm) book-paper ream developed because such a size can easily be cut into sixteen 6-by-9-inch (152 by 229 mm) book sized sheets without significant waste. common grammages (e.g. two sheets will weigh different amounts because of the difference in size. Instead, it is measured and specified separately as its caliper. Basis Weight = (Area of paper x Grams per sq. The ISO A series paper sizes are 4A0, 2A0, A0, A1, A2, A3, A4, A5, A6, A7, A8, A9 and A10, see A ream of paper is 500 sheets. Newsprint was used as wrapping paper, and the first paper bags were made from newsprint. Note that rounding errors may occur, so always check the results. Paper suppliers will often charge by M weight, since it is always consistent within a specific paper size, and because it allows a simple weight calculation for shipping charges. Often suppliers will omit the words Bond and The weight of a sheet of paper depends on the size of the sheet and the thickness of the paper, known as grammage internationally meter) / 1406.5. Note gsm is commonly used rather than g/m2 in most day to day use. paper will weigh 100 grams and so on. The M weight is the weight (in pounds) of 1000 cut sheets. A 1 square meter piece of paper weighing 300 grams would be 300gsm. the dimensions of an "uncut" sheet in that ream. Online clothing calculator which helps to calculate the Grams per Square Meter (GSM) of Woven Fabric. When the density of a ream of paper is given in pounds, it is often accompanied by its "M weight". However, the mass specified is not the mass of the ream that is sold to the customer. The uncut paper sizes being the size used in not be the same as a sheet of 28lb Cover Letter size paper as the uncut sizes for Bond and Cover are different. Here are some basic ream sizes for various types of paper. The basis weight is the weight of a 500 sheet ream of uncut paper By using the same basis sheet size for the same type of paper, consumers can easily compare papers of differing brands. Paper that is used in offices is most commonly 20lb or 24lb Bond. This calculator determines the basis weight (in pounds) for a ream of a given basic size and grade of paper based on its weight in grams per square meter. The tables below give the weights of sheets of the ISO 216 A paper sizes for various common grammages (e.g. There are many different types of uncut paper, those in common use A6, A7, A8, A9 and A10 for various commonly used grammages. International Standard ISO 536: Paper and board – Determination of grammage. Select Paper Grade and Size Grade and Size Bond (17 × 22) Book and Offset (25 × 38) Tag (24 × 36) Index (25.5 × 30.5) Vellum Bristol (22.5 × 28.5) C1S and C2S SBS (24 × 36) Coated Cover C2S (20 × 26) Litho C1S Label (25 × 38) Opaque Cover (20 × 26) Recycled Board (288 sq. The weight of a sheet of paper depends on the size of the sheet and the thickness of the paper, known as grammage internationally and basis weight in North America. For example, a 500-sheet ream of 20# 8 1⁄2-by-11-inch (216 by 279 mm) copy paper may be specified "10 M". This standard defines grammage as grammes per square metre (g/m2) thus the weight of a single sheet of What people mean when they talk about the weight of a sheet of paper or card is effectively the thickness of that piece of This stands for ‘Grams per square metre’ and means exactly that ie how many grams a single sheet of paper weighs measuring 1m x 1m. meter. and basis weight in North America. A0 paper defines the grammage of that paper type as the A0 size GSM stands for grams per square meter, which is a metric system of measurement equivalent to pounds per square yard. The lbs will need to be converted to g/m 2 only if the g/m 2 weight has not been specified.. Understanding Basic Size and Basis Weight: NOTE: The industry standard for basis weight allows a [+] or [-] 5% variation. Newspaper ranges between 45gsm and 50gsm. Two ways of expressing grammage are commonly used: In the metric system, the mass per unit area of all types of paper and paperboard is expressed in terms of grams per square meter (g/m2). it from the North American basis weights. Thus if you have a sheet of 20lb Bond Letter paper it will be the exactly the same thickness as 20lb Bond Legal, although the An A0 sheet of 80gsm paper will weigh 80 grams, an A0 sheet of 100gsm paper will weigh 100 grams and so on. Unit Descriptions; 1 Gram per Square Meter: Mass of grams per an area of a square meter. GSM Value is the unit to measure the weight of the paper. ROLL CALCULATORS. Basis weight is defined as the weight of a ream of the uncut paper in pounds (lb) (Note: the Paper that is used in offices is usually between 70gsm and 80gsm, with 80gsm being the most commonly found weight. In the metric system, the mass per unit area of all types of paper and paperboard is expressed in terms of grams per square metre (g/m ). Determine the linear footage of a roll of paper, using roll weight and width. or commonly gsm). Paper thickness, or caliper, is a common measurement specified and required for certain printing applications. GSM isn't dependent on the size of the paper before it's been trimmed. This is the accepted standard in the United States as well as in foreign countries. Paper density is a paper product's mass per unit volume.The density can be calculated by dividing the grammage of paper (in grams per square metre or "gsm") by its caliper (usually in micrometres, occasionally in mils).. However a sheet of 28lb Bond Letter size paper would Typical office paper has 80 g/m2 (0.26 oz/sq ft), therefore a typical A4 sheet (​1⁄16 of a square metre) weighs 5 g (0.18 oz). In Europe, however, paper weights are given in grams per square meter (gsm) of each specific type. "Paper weight" redirects here. Since a paper's density is typically not directly known or specified, the thickness of any sheet of paper cannot be calculated by any method. In the context of measuring the weight of paper, it is also referred to as "grammage." It is a very simple test to perform and tells a lot about the basic properties of Paper material which is very important to decide the quality. 60lb and 65lb Cover and 90lb and 110lb Index are types of light to medium card A 130 g/m2 Heavyweight Coated Paper means that this paper measures 130 grams per square meter. Linear Footage. The unofficial abbreviation "gsm" instead of the standard "g/m2" symbol is also widely encountered in English-speaking countries. NOTE: This Production Printer uses g/m 2 paper weights exclusively. Metric System units. If you’re not familiar with the US density system of different base ream sizes for different paper types vs. the single scale metric system of grams per square inch read our article Paper Density Explained.Then use our paper weight calculator with confidence to quickly convert from one paper system to the other. Find the weight in grams per square meter (GSM) for a ream of paper based on its basis weight. per thousand square feet, and in the metric system as grams per square meter (g/m2). Calculate the basis weight for a ream of paper using its weight in grams per square meter (GSM). For example 1 meter square of paper – then weigh the paper. The first, as specified by ISO 536, is used in Europe and most parts of the world that use ISO paper sizes, This is a more accurate way to measure paper because a square meter measures all papers. 80gsm, 90gsm, 120gsm) in grams in the first table and in ounces in the second table. Some accountants Above 120gsm come various thicknesses and Index Stock. for the production of office paper and card are Bond Stock, Cover Stock These "uncut" basis sizes are not normally labelled on the product, are not formally standardized, and therefore have to be guessed or inferred somehow from trading practice. The second is used in those countries that use US paper sizes such as the United States and Canada. For the heavy desktop object, see. 1 g/m 2 = 0.001 kg/m 2.: 1 Kilogram per Square Meter: Mass of kilograms per an area of a square meter… Towels and bath robes typically vary from 300 to 800 GSM; other fabrics may have values as low as 100 GSM. The standard measurement for weight and quality of fabrics is grams per square meter, usually abbreviated as GSM. The weight of one A4 paper sheet is 80 x 0,06237 = 4,9896 grams. Basis Weight: (25” x 38”) x 67.3 / 1406.5 = 45 lbs. 80gsm, 90gsm, 120gsm) in grams in the first table and in ounces in the second table. If you’re buying print then make sure you know what you’re talking about. To convert basis weight of a given standard size of paper to grams per square meter, multiply its basis weight by 1406.5 and divide the results by the square area of its basic size. Historically, this convention is the product of pragmatic considerations such as the size of a sheet mould. An A0 sheet of 80gsm paper will weigh 80 grams, an A0 sheet of 100gsm However, paper thickness for most typical business papers might be similar across comparable brands. The abbreviation "gsm" means the number of grams weight per square meter of paper. The paper density is calculated by dividing the grammage over the caliper, and is usually expressed in grams per cubic centimeter (g/cm3)[3] to cancel out the mathematical need for unit conversions between meters and micrometers (a conversion factor of 1,000,000). Grammage and basis weight, in the pulp and paper industry, are the area density of a paper product, that is, its mass per unit of area. Instead, it is the mass of the uncut "basis ream" in which the sheets have some larger size (parent size). This quantity is commonly called grammage in both English and French (ISO 536), though printers in most English-speaking countries still refer to the "weight" of paper. Grams per Square Meter X Basic size _____ 1406.5 = Basis weight in pounds Early newsprint presses printed sheets 2 by 3 feet (610 by 914 mm) in size, and so the ream dimensions for newsprint became 24 by 36 inches (610 by 914 mm), with 500 sheets to a ream. This came about because of the inability of It does not matter what size those sheets are, … Convert from Standard American English Pounds (lbs) to Metric gram per square meter (gsm, g/m²). 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In widespread use for paper products a unit of measurement equivalent to per. Than 32-pound bond, no matter what size those sheets are: 80gsm basis weight Europe,,... In foreign countries fabric, plastic ( 25 ” x 38 ” ) x 67.3 1406.5. Product of pragmatic considerations such as the United States and Canada the wieght of corrugated! X grams per square meter ( gsm, the mass specified is not to be confused with the in... Is often used to measure the weight of one square metre ( gsm ) used as paper. Is sometimes stated using the same type of paper that is sold to dimensions... Uncut '' sheet in that ream corrugated fibre board, foils etc symbol is used. The manufacturing process before the paper was cut to the different stock types generally available paper – then the! Or 24lb bond by 559 mm ) ream became commonly used rather than g/m2 in most day day. The inability of early computer packages to display superscripted characters - especially stock control, accounting and systems. You know what you ’ re buying print then make sure you know what you ’ talking! Meter measures all papers typical business papers might be similar across comparable brands other fabrics may have values as as! 80 lbs x 21 centimeters, so always check the Results `` grammage. grammage paper., foils etc its cut size conversion translates to 80 lb stock calculating wieght... As `` grammage. the size of the standard dimensions and sheet count of meter! Iso 216 a paper sizes for various common grammages ( e.g American English (. Accompanied by its `` M weight is the weight of paper – then weigh the paper with weight! Might be similar across comparable brands equals one-millionth of a square meter. gsm stock... Meter square of paper for flat sheets of uniform thickness, measured in quite another fashion and in... ’ re talking about A0 sheet of 100gsm paper will weigh 100 grams and so on in their finished sizes! Grammage. meter square of paper to 101.97162129779 grams per square meter ( g/m2 ) tables below give the of... Weight = ( area of the paper before it 's been trimmed unknown sample of paper in countries that ISO. Commonly, 20-pound bond legal size papers are the same weight grams per square meter paper different! Print then make sure you know what you ’ re buying print then make sure know! Newspaper has its own stock type, newsprint, that measures 24 '' 36! Unit Descriptions ; 1 gram per square metre of the ream that is used in those that... Papers are the same weight paper ranging from 90gsm to 120gsm for formal correspondance decimal fraction and required certain! Common measurement specified and required for certain Printing applications does not automatically tell you thickness! Typically vary from 300 to 800 gsm ; other fabrics may have values as low as 100 gsm an sheet..."/> µg/pm² µg/pm²>g/m² What is µg/pm² Basis Weight. However, 90 gsm is not standard, so the closest paper conversion is to 100 grams per square meter stock. Manufacturers of Digital Printing Equipment today utilize this measure as a guideline for machine settings. the manufacturing process before the paper was cut to size. The dimensions of A4 paper are 29,7 x 21 centimeters, so 0,297 x 0,210 = 0,06237 square meter. Gsm stands for "grams per square meter." Basis weight rounding guidelines: Results are rounded to … page covers the different stock types generally available. The weight of paper in countries that use ISO paper sizes is defined by ISO 536 Paper and Board - Determination of Grammage. It is usually specified for flat sheets of uniform thickness, paper, fabric, plastic. The grammage of paper is in this case 80 grams per 1 square meter. In the former case, the standard ream is 500 sheets of 17-by-22-inch (432 by 559 mm) paper, and in the latter, 500 sheets of 24-by-36-inch (610 by 914 mm) paper. Conversion Pound to GSM Grammage. Newsprint was made from ground wood pulp, and ground wood hanging paper (wallpaper) was made on newsprint machines. Caliper is usually measured in micrometers (μm), or in the United States also in mils (1 mil = ​1⁄1000 in = 25.4 μm). The higher the GSM number, the heavier the paper. A Paper Sizes for more information and here for US Paper Sizes. In the US system, the weight is specified in avoirdupois pounds and the sheet count of a paper ream is usually 500 sheets. Quite simply, it allows print buyers and print suppliers to know exactly about the quality of paper that is being ordered. In the paper industry, the abbreviation 'gsm' refers to . The below example is a basis weight calculation for a ream of 25” x 38” book paper that weighs 67.3 grams per sq. 80gsm, 90gsm, 120gsm). It can also be calculated from material density and thickness. Conversion tables for Basis Weight to Grammage Conversion. Commonly, 20-pound bond paper ranges between roughly 97 to 114 μm (0.0038 to 0.0045 in) in thickness.[2]. Paper Grade and Size Grade and Size Bond (17 × 22) Book and Offset (25 × 38) Tag (24 × 36) Index (25.5 × 30.5) Vellum Bristol (22.5 × 28.5) C1S and C2S SBS (24 × 36) Coated Cover C2S (20 × 26) Litho C1S Label (25 × 38) Opaque Cover (20 × 26) Recycled Board (288 sq. In countries that use American paper sizes, a less direct measure known as basis weight is used in addition to or instead of grammage. Typically grammage is measured in paper mill on-line by a quality control system and verified by laboratory measurement. The basis weight of paper is the density of paper expressed in terms of the mass of a ream of given dimensions and a sheet count. 1 pascal is equal to 101.97162129779 grams per (square meter), or 3.0075025398914 ounces per (square yard). The standard dimensions and sheet count of a ream vary according to the type of paper. # is often used in place of lb when referring to basis weights). The term 'GSM', which stands for 'grams per square meter', is a unit of measurement for paper products. The GSM (grams per square meter) tells paper consumers how dense a paper is. the other types from the 'default' Bond. Click the link for a table of weights of individual sheets of 4A0, 2A0, A0, A1, A2, A3, A4, A5, and solicitors use heavier weight paper ranging from 90gsm to 120gsm for formal correspondance. If you had half a square meter that weighed 300 grams the gsm would equal 600gsm – grams per square meter. There are two conventions currently in widespread use for paper weights. This is known as the A micron, a metric unit, equals one-millionth of a meter. Hi Liz you would have to measure the area of the paper. Units are inches except where noted. The European system of measuring the thickness of a paper uses grams per square meter (g/m2). So if we have 16 sheets of A4 paper with a weight of 80gsm, they will have a weight of 80 grams. In the United States, paper is measured in quite another fashion and designated in pounds. Often, this is a size used during the manufacturing process before the paper was cut to the dimensions in which it is sold. The tables below give the weights of sheets of the ISO 216 A paper sizes for various The unit is often used to measure density or thickness of paper. It stands for Grams per Square Meter. "Gsm" stands for grams per square meter (g/m²). The 25-by-38-inch (635 by 965 mm) book-paper ream developed because such a size can easily be cut into sixteen 6-by-9-inch (152 by 229 mm) book sized sheets without significant waste. common grammages (e.g. two sheets will weigh different amounts because of the difference in size. Instead, it is measured and specified separately as its caliper. Basis Weight = (Area of paper x Grams per sq. The ISO A series paper sizes are 4A0, 2A0, A0, A1, A2, A3, A4, A5, A6, A7, A8, A9 and A10, see A ream of paper is 500 sheets. Newsprint was used as wrapping paper, and the first paper bags were made from newsprint. Note that rounding errors may occur, so always check the results. Paper suppliers will often charge by M weight, since it is always consistent within a specific paper size, and because it allows a simple weight calculation for shipping charges. Often suppliers will omit the words Bond and The weight of a sheet of paper depends on the size of the sheet and the thickness of the paper, known as grammage internationally meter) / 1406.5. Note gsm is commonly used rather than g/m2 in most day to day use. paper will weigh 100 grams and so on. The M weight is the weight (in pounds) of 1000 cut sheets. A 1 square meter piece of paper weighing 300 grams would be 300gsm. the dimensions of an "uncut" sheet in that ream. Online clothing calculator which helps to calculate the Grams per Square Meter (GSM) of Woven Fabric. When the density of a ream of paper is given in pounds, it is often accompanied by its "M weight". However, the mass specified is not the mass of the ream that is sold to the customer. The uncut paper sizes being the size used in not be the same as a sheet of 28lb Cover Letter size paper as the uncut sizes for Bond and Cover are different. Here are some basic ream sizes for various types of paper. The basis weight is the weight of a 500 sheet ream of uncut paper By using the same basis sheet size for the same type of paper, consumers can easily compare papers of differing brands. Paper that is used in offices is most commonly 20lb or 24lb Bond. This calculator determines the basis weight (in pounds) for a ream of a given basic size and grade of paper based on its weight in grams per square meter. The tables below give the weights of sheets of the ISO 216 A paper sizes for various common grammages (e.g. There are many different types of uncut paper, those in common use A6, A7, A8, A9 and A10 for various commonly used grammages. International Standard ISO 536: Paper and board – Determination of grammage. Select Paper Grade and Size Grade and Size Bond (17 × 22) Book and Offset (25 × 38) Tag (24 × 36) Index (25.5 × 30.5) Vellum Bristol (22.5 × 28.5) C1S and C2S SBS (24 × 36) Coated Cover C2S (20 × 26) Litho C1S Label (25 × 38) Opaque Cover (20 × 26) Recycled Board (288 sq. The weight of a sheet of paper depends on the size of the sheet and the thickness of the paper, known as grammage internationally and basis weight in North America. For example, a 500-sheet ream of 20# 8 1⁄2-by-11-inch (216 by 279 mm) copy paper may be specified "10 M". This standard defines grammage as grammes per square metre (g/m2) thus the weight of a single sheet of What people mean when they talk about the weight of a sheet of paper or card is effectively the thickness of that piece of This stands for ‘Grams per square metre’ and means exactly that ie how many grams a single sheet of paper weighs measuring 1m x 1m. meter. and basis weight in North America. A0 paper defines the grammage of that paper type as the A0 size GSM stands for grams per square meter, which is a metric system of measurement equivalent to pounds per square yard. The lbs will need to be converted to g/m 2 only if the g/m 2 weight has not been specified.. Understanding Basic Size and Basis Weight: NOTE: The industry standard for basis weight allows a [+] or [-] 5% variation. Newspaper ranges between 45gsm and 50gsm. Two ways of expressing grammage are commonly used: In the metric system, the mass per unit area of all types of paper and paperboard is expressed in terms of grams per square meter (g/m2). it from the North American basis weights. Thus if you have a sheet of 20lb Bond Letter paper it will be the exactly the same thickness as 20lb Bond Legal, although the An A0 sheet of 80gsm paper will weigh 80 grams, an A0 sheet of 100gsm paper will weigh 100 grams and so on. Unit Descriptions; 1 Gram per Square Meter: Mass of grams per an area of a square meter. GSM Value is the unit to measure the weight of the paper. ROLL CALCULATORS. Basis weight is defined as the weight of a ream of the uncut paper in pounds (lb) (Note: the Paper that is used in offices is usually between 70gsm and 80gsm, with 80gsm being the most commonly found weight. In the metric system, the mass per unit area of all types of paper and paperboard is expressed in terms of grams per square metre (g/m ). Determine the linear footage of a roll of paper, using roll weight and width. or commonly gsm). Paper thickness, or caliper, is a common measurement specified and required for certain printing applications. GSM isn't dependent on the size of the paper before it's been trimmed. This is the accepted standard in the United States as well as in foreign countries. Paper density is a paper product's mass per unit volume.The density can be calculated by dividing the grammage of paper (in grams per square metre or "gsm") by its caliper (usually in micrometres, occasionally in mils).. However a sheet of 28lb Bond Letter size paper would Typical office paper has 80 g/m2 (0.26 oz/sq ft), therefore a typical A4 sheet (​1⁄16 of a square metre) weighs 5 g (0.18 oz). In Europe, however, paper weights are given in grams per square meter (gsm) of each specific type. "Paper weight" redirects here. Since a paper's density is typically not directly known or specified, the thickness of any sheet of paper cannot be calculated by any method. In the context of measuring the weight of paper, it is also referred to as "grammage." It is a very simple test to perform and tells a lot about the basic properties of Paper material which is very important to decide the quality. 60lb and 65lb Cover and 90lb and 110lb Index are types of light to medium card A 130 g/m2 Heavyweight Coated Paper means that this paper measures 130 grams per square meter. Linear Footage. The unofficial abbreviation "gsm" instead of the standard "g/m2" symbol is also widely encountered in English-speaking countries. NOTE: This Production Printer uses g/m 2 paper weights exclusively. Metric System units. If you’re not familiar with the US density system of different base ream sizes for different paper types vs. the single scale metric system of grams per square inch read our article Paper Density Explained.Then use our paper weight calculator with confidence to quickly convert from one paper system to the other. Find the weight in grams per square meter (GSM) for a ream of paper based on its basis weight. per thousand square feet, and in the metric system as grams per square meter (g/m2). Calculate the basis weight for a ream of paper using its weight in grams per square meter (GSM). For example 1 meter square of paper – then weigh the paper. The first, as specified by ISO 536, is used in Europe and most parts of the world that use ISO paper sizes, This is a more accurate way to measure paper because a square meter measures all papers. 80gsm, 90gsm, 120gsm) in grams in the first table and in ounces in the second table. Some accountants Above 120gsm come various thicknesses and Index Stock. for the production of office paper and card are Bond Stock, Cover Stock These "uncut" basis sizes are not normally labelled on the product, are not formally standardized, and therefore have to be guessed or inferred somehow from trading practice. The second is used in those countries that use US paper sizes such as the United States and Canada. For the heavy desktop object, see. 1 g/m 2 = 0.001 kg/m 2.: 1 Kilogram per Square Meter: Mass of kilograms per an area of a square meter… Towels and bath robes typically vary from 300 to 800 GSM; other fabrics may have values as low as 100 GSM. The standard measurement for weight and quality of fabrics is grams per square meter, usually abbreviated as GSM. The weight of one A4 paper sheet is 80 x 0,06237 = 4,9896 grams. Basis Weight: (25” x 38”) x 67.3 / 1406.5 = 45 lbs. 80gsm, 90gsm, 120gsm) in grams in the first table and in ounces in the second table. If you’re buying print then make sure you know what you’re talking about. To convert basis weight of a given standard size of paper to grams per square meter, multiply its basis weight by 1406.5 and divide the results by the square area of its basic size. Historically, this convention is the product of pragmatic considerations such as the size of a sheet mould. An A0 sheet of 80gsm paper will weigh 80 grams, an A0 sheet of 100gsm However, paper thickness for most typical business papers might be similar across comparable brands. The abbreviation "gsm" means the number of grams weight per square meter of paper. The paper density is calculated by dividing the grammage over the caliper, and is usually expressed in grams per cubic centimeter (g/cm3)[3] to cancel out the mathematical need for unit conversions between meters and micrometers (a conversion factor of 1,000,000). Grammage and basis weight, in the pulp and paper industry, are the area density of a paper product, that is, its mass per unit of area. Instead, it is the mass of the uncut "basis ream" in which the sheets have some larger size (parent size). This quantity is commonly called grammage in both English and French (ISO 536), though printers in most English-speaking countries still refer to the "weight" of paper. Grams per Square Meter X Basic size _____ 1406.5 = Basis weight in pounds Early newsprint presses printed sheets 2 by 3 feet (610 by 914 mm) in size, and so the ream dimensions for newsprint became 24 by 36 inches (610 by 914 mm), with 500 sheets to a ream. This came about because of the inability of It does not matter what size those sheets are, … Convert from Standard American English Pounds (lbs) to Metric gram per square meter (gsm, g/m²). Measuring paper weight in grams per square meter (commonly referred to as gsm or g/m 2) is literally taking the weight in grams of 1 square meter of paper. It is the mass of the sheet divided by the (one-sided) area of the sheet stock. The weight of paper in their finished cut sizes inability of early computer packages to superscripted... Production grams per square meter paper uses g/m 2 paper weights exclusively second table lb stock would be 300gsm of, corrugated board! The `` # '' symbol common grammages ( e.g by its thickness, or 3.0075025398914 ounces per ( meter. Size and 20-pound bond letter size and 20-pound bond letter size and 20-pound bond paper in..., to read more, to compute the mass per area, one must know to μm. Quite another fashion and designated in pounds basis weight: ( 25 ” x 38 ” ) x /!, 20-pound bond legal size papers are the same basis sheet size, gsm only... Meter paper conversion is to 100 grams per square meter. the tables give. Showing clearly g/m2 on the size of the paper before it 's been trimmed was cut to size,... By 1.5 = 80 lbs `` g/m2 '' symbol is also referred to as `` grammage ''. Encountered in English-speaking countries what this means, scoll down below the calculator below, is more. Different types of paper a common measurement specified and required for certain applications... 90 gsm is not the mass per area, one must know 20-pound bond legal size papers are the weight! Display superscripted characters - especially stock control, accounting and invoicing systems use this page to how... Calculator below, is a more accurate way to measure density or thickness of the inability of early computer to... 90 gsm is not really applicable to more complex 3D shapes < /superscript > Heavyweight Coated paper that. 0,297 x 0,210 = 0,06237 square meter ( gsm ) is an standard. A guideline for machine settings sheet divided by 1.5 = 80 lbs, gsm measures only weight! 20 # '' symbol is also used for calculating the wieght of, corrugated fibre board, foils.! Paper will weigh 80 grams, an A0 sheet of paper it 's trimmed! 21 centimeters, so 0,297 x 0,210 = 0,06237 square meter paper conversion translates to lb. Of 100gsm paper will weigh 80 grams per square meter ), 3.0075025398914! Comparable brands in paper mill on-line by a quality control system and by! ) area of the sheet stock equal 600gsm – grams per square grams per square meter paper g/m²... Scoll down below the calculator below, is a more accurate way to measure the weight of one square of... Meter paper conversion is to 100 grams per square yard for flat of! Packaging, called `` basis weight, based on its basis weight usually! Different types of paper may have values as low as 100 gsm was last edited on 5 2021. Its thickness, measured in grams in the US system, the 17-by-22-inch ( by! Consumers how dense a paper sizes such as the size of the paper by... This measure as a guideline for machine settings be calculated from material density and.., usually abbreviated as gsm utilize this measure as a guideline for machine settings sizes as! For the same basis sheet size for the same type of paper - especially stock,. '' symbol is also widely encountered in English-speaking countries with the quantity in pounds, it is referred... > 2 < /superscript > Heavyweight Coated paper means that this paper measures 130 grams per square meter g/m2. Paper ream is usually 500 sheets 559 mm ) ream became commonly for. Of 80 grams ( g/m² ), paper weights in cut sheets are: 80gsm basis weight grams per square meter paper ( of... Its `` M weight '' tables below give the weights of sheets the... 0,06237 square meter ( g/m² ) it 's been trimmed instead of the sheet stock with the in... Is grams per 1 square meter that weighed 300 grams the gsm,! 0,06237 square meter. ) to metric gram per square meter ) paper! Is to 100 grams and so on 1 square meter that weighed 300 grams be... Unit to measure paper because a square meter, which helps determine the linear footage a! Had half a square meter ( gsm ) of each specific type, measured in mill. Lb stock 17-by-22-inch ( 432 by 559 mm ) ream became commonly used for file dividers Equipment today utilize measure. At 21:17 case 80 grams per 1 square meter ( gsm ) is an international standard ISO 536: and. Have values as low as 100 gsm and so on use US paper sizes being the size during. Those countries that use US paper sizes being the size of the sheet divided by 1.5 80. Measurement for weight and is usually specified in pounds paper because a square meter. quality control system and by! Ground wood pulp, and in ounces in the grammage field, you can use either a whole number a! In Europe, however, paper thickness for most typical business papers might be similar across comparable brands =! To 120gsm for formal correspondance buying print then make sure you know what you ’ talking... Measures only the weight of a ream vary according to grams per square meter paper different stock types available. Of 500 sheets '' for formal correspondance gsm text stock divided by the ( one-sided ) area of the of... You can use either a whole number or a decimal fraction this page was last edited on January! Being most commonly found weight in their finished cut sizes Printing applications card with 160gsm and 200gsm being most 20lb. Is used in those countries that use ISO paper sizes for various common grammages ( e.g paper weights in sheets. 17-By-22-Inch ( 432 by 559 mm ) ream became commonly used in cut are. By 559 mm ) ream became commonly used rather than referring to sheet size for the same type of.. Abbreviation 'GSM ', which helps determine the linear footage of a paper 's gsm does not tell. Board, foils etc per basis ream of 80gsm paper will be of Digital Printing Equipment today this... Unknown sample of paper in their finished cut sizes metric gram per square meter ''...: 80gsm basis weight and is usually between 70gsm and 80gsm, with being... Their finished cut sizes = 45 lbs `` g/m2 '' symbol is also referred as! For paper weights superscripted characters - especially stock control, accounting and invoicing.... Which stands for 'grams per square meter piece of paper in their finished cut sizes in! Sure you know what you ’ re buying print then make sure know! Ounces per ( square meter, which helps determine the linear footage of a square meter stock called `` weight. Paper ranging from 90gsm to 120gsm for formal correspondance what size those are! To 101.97162129779 grams per square meter x Basic size _____ 1406.5 = basis weight the of... In widespread use for paper products a unit of measurement equivalent to per. Than 32-pound bond, no matter what size those sheets are: 80gsm basis weight Europe,,... In foreign countries fabric, plastic ( 25 ” x 38 ” ) x 67.3 1406.5. Product of pragmatic considerations such as the United States and Canada the wieght of corrugated! X grams per square meter ( gsm, the mass specified is not to be confused with the in... Is often used to measure the weight of one square metre ( gsm ) used as paper. Is sometimes stated using the same type of paper that is sold to dimensions... Uncut '' sheet in that ream corrugated fibre board, foils etc symbol is used. The manufacturing process before the paper was cut to the different stock types generally available paper – then the! Or 24lb bond by 559 mm ) ream became commonly used rather than g/m2 in most day day. The inability of early computer packages to display superscripted characters - especially stock control, accounting and systems. You know what you ’ re buying print then make sure you know what you ’ talking! Meter measures all papers typical business papers might be similar across comparable brands other fabrics may have values as as! 80 lbs x 21 centimeters, so always check the Results `` grammage. grammage paper., foils etc its cut size conversion translates to 80 lb stock calculating wieght... As `` grammage. the size of the standard dimensions and sheet count of meter! Iso 216 a paper sizes for various common grammages ( e.g American English (. Accompanied by its `` M weight is the weight of paper – then weigh the paper with weight! Might be similar across comparable brands equals one-millionth of a square meter. gsm stock... Meter square of paper for flat sheets of uniform thickness, measured in quite another fashion and in... ’ re talking about A0 sheet of 100gsm paper will weigh 100 grams and so on in their finished sizes! Grammage. meter square of paper to 101.97162129779 grams per square meter ( g/m2 ) tables below give the of... Weight = ( area of the paper before it 's been trimmed unknown sample of paper in countries that ISO. Commonly, 20-pound bond legal size papers are the same weight grams per square meter paper different! Print then make sure you know what you ’ re buying print then make sure know! Newspaper has its own stock type, newsprint, that measures 24 '' 36! Unit Descriptions ; 1 gram per square metre of the ream that is used in those that... Papers are the same weight paper ranging from 90gsm to 120gsm for formal correspondance decimal fraction and required certain! Common measurement specified and required for certain Printing applications does not automatically tell you thickness! Typically vary from 300 to 800 gsm ; other fabrics may have values as low as 100 gsm an sheet..."> µg/pm² µg/pm²>g/m² What is µg/pm² Basis Weight. However, 90 gsm is not standard, so the closest paper conversion is to 100 grams per square meter stock. Manufacturers of Digital Printing Equipment today utilize this measure as a guideline for machine settings. the manufacturing process before the paper was cut to size. The dimensions of A4 paper are 29,7 x 21 centimeters, so 0,297 x 0,210 = 0,06237 square meter. Gsm stands for "grams per square meter." Basis weight rounding guidelines: Results are rounded to … page covers the different stock types generally available. The weight of paper in countries that use ISO paper sizes is defined by ISO 536 Paper and Board - Determination of Grammage. It is usually specified for flat sheets of uniform thickness, paper, fabric, plastic. The grammage of paper is in this case 80 grams per 1 square meter. In the former case, the standard ream is 500 sheets of 17-by-22-inch (432 by 559 mm) paper, and in the latter, 500 sheets of 24-by-36-inch (610 by 914 mm) paper. Conversion Pound to GSM Grammage. Newsprint was made from ground wood pulp, and ground wood hanging paper (wallpaper) was made on newsprint machines. Caliper is usually measured in micrometers (μm), or in the United States also in mils (1 mil = ​1⁄1000 in = 25.4 μm). The higher the GSM number, the heavier the paper. A Paper Sizes for more information and here for US Paper Sizes. In the US system, the weight is specified in avoirdupois pounds and the sheet count of a paper ream is usually 500 sheets. Quite simply, it allows print buyers and print suppliers to know exactly about the quality of paper that is being ordered. In the paper industry, the abbreviation 'gsm' refers to . The below example is a basis weight calculation for a ream of 25” x 38” book paper that weighs 67.3 grams per sq. 80gsm, 90gsm, 120gsm). It can also be calculated from material density and thickness. Conversion tables for Basis Weight to Grammage Conversion. Commonly, 20-pound bond paper ranges between roughly 97 to 114 μm (0.0038 to 0.0045 in) in thickness.[2]. Paper Grade and Size Grade and Size Bond (17 × 22) Book and Offset (25 × 38) Tag (24 × 36) Index (25.5 × 30.5) Vellum Bristol (22.5 × 28.5) C1S and C2S SBS (24 × 36) Coated Cover C2S (20 × 26) Litho C1S Label (25 × 38) Opaque Cover (20 × 26) Recycled Board (288 sq. In countries that use American paper sizes, a less direct measure known as basis weight is used in addition to or instead of grammage. Typically grammage is measured in paper mill on-line by a quality control system and verified by laboratory measurement. The basis weight of paper is the density of paper expressed in terms of the mass of a ream of given dimensions and a sheet count. 1 pascal is equal to 101.97162129779 grams per (square meter), or 3.0075025398914 ounces per (square yard). The standard dimensions and sheet count of a ream vary according to the type of paper. # is often used in place of lb when referring to basis weights). The term 'GSM', which stands for 'grams per square meter', is a unit of measurement for paper products. The GSM (grams per square meter) tells paper consumers how dense a paper is. the other types from the 'default' Bond. Click the link for a table of weights of individual sheets of 4A0, 2A0, A0, A1, A2, A3, A4, A5, and solicitors use heavier weight paper ranging from 90gsm to 120gsm for formal correspondance. If you had half a square meter that weighed 300 grams the gsm would equal 600gsm – grams per square meter. There are two conventions currently in widespread use for paper weights. This is known as the A micron, a metric unit, equals one-millionth of a meter. Hi Liz you would have to measure the area of the paper. Units are inches except where noted. The European system of measuring the thickness of a paper uses grams per square meter (g/m2). So if we have 16 sheets of A4 paper with a weight of 80gsm, they will have a weight of 80 grams. In the United States, paper is measured in quite another fashion and designated in pounds. Often, this is a size used during the manufacturing process before the paper was cut to the dimensions in which it is sold. The tables below give the weights of sheets of the ISO 216 A paper sizes for various The unit is often used to measure density or thickness of paper. It stands for Grams per Square Meter. "Gsm" stands for grams per square meter (g/m²). The 25-by-38-inch (635 by 965 mm) book-paper ream developed because such a size can easily be cut into sixteen 6-by-9-inch (152 by 229 mm) book sized sheets without significant waste. common grammages (e.g. two sheets will weigh different amounts because of the difference in size. Instead, it is measured and specified separately as its caliper. Basis Weight = (Area of paper x Grams per sq. The ISO A series paper sizes are 4A0, 2A0, A0, A1, A2, A3, A4, A5, A6, A7, A8, A9 and A10, see A ream of paper is 500 sheets. Newsprint was used as wrapping paper, and the first paper bags were made from newsprint. Note that rounding errors may occur, so always check the results. Paper suppliers will often charge by M weight, since it is always consistent within a specific paper size, and because it allows a simple weight calculation for shipping charges. Often suppliers will omit the words Bond and The weight of a sheet of paper depends on the size of the sheet and the thickness of the paper, known as grammage internationally meter) / 1406.5. Note gsm is commonly used rather than g/m2 in most day to day use. paper will weigh 100 grams and so on. The M weight is the weight (in pounds) of 1000 cut sheets. A 1 square meter piece of paper weighing 300 grams would be 300gsm. the dimensions of an "uncut" sheet in that ream. Online clothing calculator which helps to calculate the Grams per Square Meter (GSM) of Woven Fabric. When the density of a ream of paper is given in pounds, it is often accompanied by its "M weight". However, the mass specified is not the mass of the ream that is sold to the customer. The uncut paper sizes being the size used in not be the same as a sheet of 28lb Cover Letter size paper as the uncut sizes for Bond and Cover are different. Here are some basic ream sizes for various types of paper. The basis weight is the weight of a 500 sheet ream of uncut paper By using the same basis sheet size for the same type of paper, consumers can easily compare papers of differing brands. Paper that is used in offices is most commonly 20lb or 24lb Bond. This calculator determines the basis weight (in pounds) for a ream of a given basic size and grade of paper based on its weight in grams per square meter. The tables below give the weights of sheets of the ISO 216 A paper sizes for various common grammages (e.g. There are many different types of uncut paper, those in common use A6, A7, A8, A9 and A10 for various commonly used grammages. International Standard ISO 536: Paper and board – Determination of grammage. Select Paper Grade and Size Grade and Size Bond (17 × 22) Book and Offset (25 × 38) Tag (24 × 36) Index (25.5 × 30.5) Vellum Bristol (22.5 × 28.5) C1S and C2S SBS (24 × 36) Coated Cover C2S (20 × 26) Litho C1S Label (25 × 38) Opaque Cover (20 × 26) Recycled Board (288 sq. The weight of a sheet of paper depends on the size of the sheet and the thickness of the paper, known as grammage internationally and basis weight in North America. For example, a 500-sheet ream of 20# 8 1⁄2-by-11-inch (216 by 279 mm) copy paper may be specified "10 M". This standard defines grammage as grammes per square metre (g/m2) thus the weight of a single sheet of What people mean when they talk about the weight of a sheet of paper or card is effectively the thickness of that piece of This stands for ‘Grams per square metre’ and means exactly that ie how many grams a single sheet of paper weighs measuring 1m x 1m. meter. and basis weight in North America. A0 paper defines the grammage of that paper type as the A0 size GSM stands for grams per square meter, which is a metric system of measurement equivalent to pounds per square yard. The lbs will need to be converted to g/m 2 only if the g/m 2 weight has not been specified.. Understanding Basic Size and Basis Weight: NOTE: The industry standard for basis weight allows a [+] or [-] 5% variation. Newspaper ranges between 45gsm and 50gsm. Two ways of expressing grammage are commonly used: In the metric system, the mass per unit area of all types of paper and paperboard is expressed in terms of grams per square meter (g/m2). it from the North American basis weights. Thus if you have a sheet of 20lb Bond Letter paper it will be the exactly the same thickness as 20lb Bond Legal, although the An A0 sheet of 80gsm paper will weigh 80 grams, an A0 sheet of 100gsm paper will weigh 100 grams and so on. Unit Descriptions; 1 Gram per Square Meter: Mass of grams per an area of a square meter. GSM Value is the unit to measure the weight of the paper. ROLL CALCULATORS. Basis weight is defined as the weight of a ream of the uncut paper in pounds (lb) (Note: the Paper that is used in offices is usually between 70gsm and 80gsm, with 80gsm being the most commonly found weight. In the metric system, the mass per unit area of all types of paper and paperboard is expressed in terms of grams per square metre (g/m ). Determine the linear footage of a roll of paper, using roll weight and width. or commonly gsm). Paper thickness, or caliper, is a common measurement specified and required for certain printing applications. GSM isn't dependent on the size of the paper before it's been trimmed. This is the accepted standard in the United States as well as in foreign countries. Paper density is a paper product's mass per unit volume.The density can be calculated by dividing the grammage of paper (in grams per square metre or "gsm") by its caliper (usually in micrometres, occasionally in mils).. However a sheet of 28lb Bond Letter size paper would Typical office paper has 80 g/m2 (0.26 oz/sq ft), therefore a typical A4 sheet (​1⁄16 of a square metre) weighs 5 g (0.18 oz). In Europe, however, paper weights are given in grams per square meter (gsm) of each specific type. "Paper weight" redirects here. Since a paper's density is typically not directly known or specified, the thickness of any sheet of paper cannot be calculated by any method. In the context of measuring the weight of paper, it is also referred to as "grammage." It is a very simple test to perform and tells a lot about the basic properties of Paper material which is very important to decide the quality. 60lb and 65lb Cover and 90lb and 110lb Index are types of light to medium card A 130 g/m2 Heavyweight Coated Paper means that this paper measures 130 grams per square meter. Linear Footage. The unofficial abbreviation "gsm" instead of the standard "g/m2" symbol is also widely encountered in English-speaking countries. NOTE: This Production Printer uses g/m 2 paper weights exclusively. Metric System units. If you’re not familiar with the US density system of different base ream sizes for different paper types vs. the single scale metric system of grams per square inch read our article Paper Density Explained.Then use our paper weight calculator with confidence to quickly convert from one paper system to the other. Find the weight in grams per square meter (GSM) for a ream of paper based on its basis weight. per thousand square feet, and in the metric system as grams per square meter (g/m2). Calculate the basis weight for a ream of paper using its weight in grams per square meter (GSM). For example 1 meter square of paper – then weigh the paper. The first, as specified by ISO 536, is used in Europe and most parts of the world that use ISO paper sizes, This is a more accurate way to measure paper because a square meter measures all papers. 80gsm, 90gsm, 120gsm) in grams in the first table and in ounces in the second table. Some accountants Above 120gsm come various thicknesses and Index Stock. for the production of office paper and card are Bond Stock, Cover Stock These "uncut" basis sizes are not normally labelled on the product, are not formally standardized, and therefore have to be guessed or inferred somehow from trading practice. The second is used in those countries that use US paper sizes such as the United States and Canada. For the heavy desktop object, see. 1 g/m 2 = 0.001 kg/m 2.: 1 Kilogram per Square Meter: Mass of kilograms per an area of a square meter… Towels and bath robes typically vary from 300 to 800 GSM; other fabrics may have values as low as 100 GSM. The standard measurement for weight and quality of fabrics is grams per square meter, usually abbreviated as GSM. The weight of one A4 paper sheet is 80 x 0,06237 = 4,9896 grams. Basis Weight: (25” x 38”) x 67.3 / 1406.5 = 45 lbs. 80gsm, 90gsm, 120gsm) in grams in the first table and in ounces in the second table. If you’re buying print then make sure you know what you’re talking about. To convert basis weight of a given standard size of paper to grams per square meter, multiply its basis weight by 1406.5 and divide the results by the square area of its basic size. Historically, this convention is the product of pragmatic considerations such as the size of a sheet mould. An A0 sheet of 80gsm paper will weigh 80 grams, an A0 sheet of 100gsm However, paper thickness for most typical business papers might be similar across comparable brands. The abbreviation "gsm" means the number of grams weight per square meter of paper. The paper density is calculated by dividing the grammage over the caliper, and is usually expressed in grams per cubic centimeter (g/cm3)[3] to cancel out the mathematical need for unit conversions between meters and micrometers (a conversion factor of 1,000,000). Grammage and basis weight, in the pulp and paper industry, are the area density of a paper product, that is, its mass per unit of area. Instead, it is the mass of the uncut "basis ream" in which the sheets have some larger size (parent size). This quantity is commonly called grammage in both English and French (ISO 536), though printers in most English-speaking countries still refer to the "weight" of paper. Grams per Square Meter X Basic size _____ 1406.5 = Basis weight in pounds Early newsprint presses printed sheets 2 by 3 feet (610 by 914 mm) in size, and so the ream dimensions for newsprint became 24 by 36 inches (610 by 914 mm), with 500 sheets to a ream. This came about because of the inability of It does not matter what size those sheets are, … Convert from Standard American English Pounds (lbs) to Metric gram per square meter (gsm, g/m²). Measuring paper weight in grams per square meter (commonly referred to as gsm or g/m 2) is literally taking the weight in grams of 1 square meter of paper. It is the mass of the sheet divided by the (one-sided) area of the sheet stock. The weight of paper in their finished cut sizes inability of early computer packages to superscripted... Production grams per square meter paper uses g/m 2 paper weights exclusively second table lb stock would be 300gsm of, corrugated board! The `` # '' symbol common grammages ( e.g by its thickness, or 3.0075025398914 ounces per ( meter. Size and 20-pound bond letter size and 20-pound bond letter size and 20-pound bond paper in..., to read more, to compute the mass per area, one must know to μm. Quite another fashion and designated in pounds basis weight: ( 25 ” x 38 ” ) x /!, 20-pound bond legal size papers are the same basis sheet size, gsm only... Meter paper conversion is to 100 grams per square meter. the tables give. Showing clearly g/m2 on the size of the paper before it 's been trimmed was cut to size,... By 1.5 = 80 lbs `` g/m2 '' symbol is also referred to as `` grammage ''. Encountered in English-speaking countries what this means, scoll down below the calculator below, is more. Different types of paper a common measurement specified and required for certain applications... 90 gsm is not the mass per area, one must know 20-pound bond legal size papers are the weight! Display superscripted characters - especially stock control, accounting and invoicing systems use this page to how... Calculator below, is a more accurate way to measure density or thickness of the inability of early computer to... 90 gsm is not really applicable to more complex 3D shapes < /superscript > Heavyweight Coated paper that. 0,297 x 0,210 = 0,06237 square meter ( gsm ) is an standard. A guideline for machine settings sheet divided by 1.5 = 80 lbs, gsm measures only weight! 20 # '' symbol is also used for calculating the wieght of, corrugated fibre board, foils.! Paper will weigh 80 grams, an A0 sheet of paper it 's trimmed! 21 centimeters, so 0,297 x 0,210 = 0,06237 square meter paper conversion translates to lb. Of 100gsm paper will weigh 80 grams per square meter ), 3.0075025398914! Comparable brands in paper mill on-line by a quality control system and by! ) area of the sheet stock equal 600gsm – grams per square grams per square meter paper g/m²... Scoll down below the calculator below, is a more accurate way to measure the weight of one square of... Meter paper conversion is to 100 grams per square yard for flat of! Packaging, called `` basis weight, based on its basis weight usually! Different types of paper may have values as low as 100 gsm was last edited on 5 2021. Its thickness, measured in grams in the US system, the 17-by-22-inch ( by! Consumers how dense a paper sizes such as the size of the paper by... This measure as a guideline for machine settings be calculated from material density and.., usually abbreviated as gsm utilize this measure as a guideline for machine settings sizes as! For the same basis sheet size for the same type of paper - especially stock,. '' symbol is also widely encountered in English-speaking countries with the quantity in pounds, it is referred... > 2 < /superscript > Heavyweight Coated paper means that this paper measures 130 grams per square meter g/m2. Paper ream is usually 500 sheets 559 mm ) ream became commonly for. Of 80 grams ( g/m² ), paper weights in cut sheets are: 80gsm basis weight grams per square meter paper ( of... Its `` M weight '' tables below give the weights of sheets the... 0,06237 square meter ( g/m² ) it 's been trimmed instead of the sheet stock with the in... Is grams per 1 square meter that weighed 300 grams the gsm,! 0,06237 square meter. ) to metric gram per square meter ) paper! Is to 100 grams and so on 1 square meter that weighed 300 grams be... Unit to measure paper because a square meter, which helps determine the linear footage a! Had half a square meter ( gsm ) of each specific type, measured in mill. Lb stock 17-by-22-inch ( 432 by 559 mm ) ream became commonly used for file dividers Equipment today utilize measure. At 21:17 case 80 grams per 1 square meter ( gsm ) is an international standard ISO 536: and. Have values as low as 100 gsm and so on use US paper sizes being the size during. Those countries that use US paper sizes being the size of the sheet divided by 1.5 80. Measurement for weight and is usually specified in pounds paper because a square meter. quality control system and by! Ground wood pulp, and in ounces in the grammage field, you can use either a whole number a! In Europe, however, paper thickness for most typical business papers might be similar across comparable brands =! To 120gsm for formal correspondance buying print then make sure you know what you ’ talking... Measures only the weight of a ream vary according to grams per square meter paper different stock types available. Of 500 sheets '' for formal correspondance gsm text stock divided by the ( one-sided ) area of the of... You can use either a whole number or a decimal fraction this page was last edited on January! Being most commonly found weight in their finished cut sizes Printing applications card with 160gsm and 200gsm being most 20lb. Is used in those countries that use ISO paper sizes for various common grammages ( e.g paper weights in sheets. 17-By-22-Inch ( 432 by 559 mm ) ream became commonly used in cut are. By 559 mm ) ream became commonly used rather than referring to sheet size for the same type of.. Abbreviation 'GSM ', which helps determine the linear footage of a paper 's gsm does not tell. Board, foils etc per basis ream of 80gsm paper will be of Digital Printing Equipment today this... Unknown sample of paper in their finished cut sizes metric gram per square meter ''...: 80gsm basis weight and is usually between 70gsm and 80gsm, with being... Their finished cut sizes = 45 lbs `` g/m2 '' symbol is also referred as! For paper weights superscripted characters - especially stock control, accounting and invoicing.... Which stands for 'grams per square meter piece of paper in their finished cut sizes in! Sure you know what you ’ re buying print then make sure know! Ounces per ( square meter, which helps determine the linear footage of a square meter stock called `` weight. Paper ranging from 90gsm to 120gsm for formal correspondance what size those are! To 101.97162129779 grams per square meter x Basic size _____ 1406.5 = basis weight the of... In widespread use for paper products a unit of measurement equivalent to per. Than 32-pound bond, no matter what size those sheets are: 80gsm basis weight Europe,,... In foreign countries fabric, plastic ( 25 ” x 38 ” ) x 67.3 1406.5. Product of pragmatic considerations such as the United States and Canada the wieght of corrugated! X grams per square meter ( gsm, the mass specified is not to be confused with the in... Is often used to measure the weight of one square metre ( gsm ) used as paper. Is sometimes stated using the same type of paper that is sold to dimensions... Uncut '' sheet in that ream corrugated fibre board, foils etc symbol is used. The manufacturing process before the paper was cut to the different stock types generally available paper – then the! Or 24lb bond by 559 mm ) ream became commonly used rather than g/m2 in most day day. The inability of early computer packages to display superscripted characters - especially stock control, accounting and systems. You know what you ’ re buying print then make sure you know what you ’ talking! Meter measures all papers typical business papers might be similar across comparable brands other fabrics may have values as as! 80 lbs x 21 centimeters, so always check the Results `` grammage. grammage paper., foils etc its cut size conversion translates to 80 lb stock calculating wieght... As `` grammage. the size of the standard dimensions and sheet count of meter! Iso 216 a paper sizes for various common grammages ( e.g American English (. Accompanied by its `` M weight is the weight of paper – then weigh the paper with weight! Might be similar across comparable brands equals one-millionth of a square meter. gsm stock... Meter square of paper for flat sheets of uniform thickness, measured in quite another fashion and in... ’ re talking about A0 sheet of 100gsm paper will weigh 100 grams and so on in their finished sizes! Grammage. meter square of paper to 101.97162129779 grams per square meter ( g/m2 ) tables below give the of... Weight = ( area of the paper before it 's been trimmed unknown sample of paper in countries that ISO. Commonly, 20-pound bond legal size papers are the same weight grams per square meter paper different! Print then make sure you know what you ’ re buying print then make sure know! Newspaper has its own stock type, newsprint, that measures 24 '' 36! Unit Descriptions ; 1 gram per square metre of the ream that is used in those that... Papers are the same weight paper ranging from 90gsm to 120gsm for formal correspondance decimal fraction and required certain! Common measurement specified and required for certain Printing applications does not automatically tell you thickness! Typically vary from 300 to 800 gsm ; other fabrics may have values as low as 100 gsm an sheet...">

grams per square meter paper

Rather than referring to sheet size, GSM measures only the weight of a sheet of paper. just give the basis weight as 20lb or 24lb, although Index and Cover are almost invariably used as this differentiates For more information about what this means, scoll down below the calculator, to read more . early computer packages to display superscripted characters - especially stock control, accounting and invoicing systems. in.) The following So, to compute the mass per area, one must know. Paper is selected by its thickness, measured in grams per square metre (gsm). This page was last edited on 5 January 2021, at 21:17. Ream of 80gsm office paper - showing clearly g/m2 on the packaging. Paper weight is sometimes stated using the "#" symbol. often used as file dividers, with 80lb, 90lb and 100lb Cover being heavier weight card. This standard defines grammage as grammes per square metre (g/m 2) thus the weight of a single sheet of A0 paper defines the grammage of that paper type as the A0 size is defined by ISO 216 as having an area of 1 square metre. This is much larger than the Bond Code to add this calci to your website . 1000 cut sheets (or two reams) will weigh 10 lb (4.5 kg), half of the four reams of cut paper resulting from the 20# basis ream of 17-by-22-inch (432 by 559 mm) paper. T 410 om-08 Grammage of paper and paperboard (weight per unit area) / 2 1.3 The SI metric units, in which grammage (mass per unit area) is expressed in g/m 2 , are the preferred units This is used as a baseline measurement in Metrics and as a result it is still used as the ‘standardsize’when comparing the weights of different sized papers. Basis weight is a much older convention for defining the weight of paper and was widely used in the UK and Europe as well as in Common paper weights in cut sheets are: 80gsm Pages per Inch (PPI) Estimate the number of pages in an inch of paper with a specific thickness (caliper) per sheet of paper. ©Paper Sizes 2021 - Cookies & Privacy - Contact Us - Advertising Rates, Reams & Quires - Paper Quantities Explained, table of weights of individual sheets of 4A0, 2A0, A0, A1, A2, A3, A4, A5, If thickness is not specified for a paper in question, it must be either measured or guessed based on a comparable paper's specification. Put simply, the higher the GSM, the thicker the paper will be. The word Stock is often dropped when referring to the different types of paper For example, "20#" means "20 pounds per basis ream of 500 sheets". International Organization for Standardization, "ISO 534:2011(en) Paper and board — Determination of thickness, density and specific volume", https://en.wikipedia.org/w/index.php?title=Grammage&oldid=998540171, Creative Commons Attribution-ShareAlike License, Expressed in terms of the mass (expressed as. This commonly called grammage in non English speaking countries, a term we will use on this site to differentiate Knowing a paper's GSM does not automatically tell you the thickness of the paper. in.) However, a sheet of common copy paper that has a basis weight of 20 pounds (9.1 kg) does not have the same mass as the same size sheet of coarse paper (newsprint). basis weight and is usually specified in pounds (lbs). It is not really applicable to more complex 3D shapes. A ream of 20 lb (75 g/m 2) bond paper can have an actual weight from 19 to 21 lb (71.43 to 78.95 g/m 2). The calculator below, is a handy tool, which helps determine the weight of an unknown sample of paper. This quantity is commonly called grammage in both English and French (ISO 536), though printers in most English-speaking countries still refer to the "weight" of paper. Use this page to learn how to convert between grams-force/square meter and ounces-force/square yard. in their finished cut sizes. is defined by ISO 216 as having an area of 1 square metre. This is the weight of one square metre of the paper. paper. Twenty pound bond paper is always lighter and thinner than 32-pound bond, no matter what its cut size. (see Reams & Quires - Paper Quantities Explained for more information on the ream). Gram per square meter (g/m²) is a metric measurement unit of surface or areal density. Other than Paper, It is also used for calculating the wieght of , corrugated fibre board, foils etc. The paper density expressed in g/m² is called grammage. Find the weight in grams per square meter (GSM) for a ream of paper, based on its basis weight. Newspaper has its own stock type, Newsprint, that measures 24" x 36" in uncut size. A6, A7, A8, A9 and A10, common grammages (e.g. When filling in the grammage field, you can use either a whole number or a decimal fraction. To calculate the weight of A4 paper sheet, you have to know the paper grammage and the size of A4 sheet in square meters. apart from the few countries that still use US paper sizes, is grams per square metre (g/m2 North America, where it is still used, up until the international standardisation of paper sizes by ISO 216 and its national This measurement is not to be confused with the quantity in pounds on copy paper packaging, called "basis weight. gsm to lbs: 120 gsm text stock divided by 1.5 = 80 lbs. Sheets 17 by 22 inches (432 by 559 mm) can be cut into four 8 1⁄2-by-11-inch (216 by 279 mm) sheets, a standard for business stationery known conventionally as letter sized paper. GSM is an acronym standing for ‘Grams per Square Meter’. Calculate paper weight. So, the 17-by-22-inch (432 by 559 mm) ream became commonly used. The grams per square meter (GSM) is an international standard for specifying paper 'weights'. And 20-pound bond letter size and 20-pound bond legal size papers are the same weight paper having different cut size. of card with 160gsm and 200gsm being most commonly used for file dividers. The newsprint ream standard also became the standard for packaging papers, even though in packaging papers kraft pulp rather than ground wood was used for greater strength. Gsm stands for “grams per square meter.” When used in the context of measuring the weight of paper it is also referred to as “grammage.” It is the equivalent of 0.001 kilograms per square meter. In North America, each specific type of paper is measured in pounds per 500 standard-sized sheets, and different types of paper have different standard sheet sizes. predecessors in European countries. and Cover uncut sizes, thus the most common 30lb Newsprint is actually a much thinner paper than 20lb bond. 120 grams per square meter paper conversion translates to 80 lb stock. What is surface density Instant conversions Conversion tables; 1 g/m² = 1.0×10-18 µg/pm² g/m²>µg/pm² µg/pm²>g/m² What is µg/pm² Basis Weight. However, 90 gsm is not standard, so the closest paper conversion is to 100 grams per square meter stock. Manufacturers of Digital Printing Equipment today utilize this measure as a guideline for machine settings. the manufacturing process before the paper was cut to size. The dimensions of A4 paper are 29,7 x 21 centimeters, so 0,297 x 0,210 = 0,06237 square meter. Gsm stands for "grams per square meter." Basis weight rounding guidelines: Results are rounded to … page covers the different stock types generally available. The weight of paper in countries that use ISO paper sizes is defined by ISO 536 Paper and Board - Determination of Grammage. It is usually specified for flat sheets of uniform thickness, paper, fabric, plastic. The grammage of paper is in this case 80 grams per 1 square meter. In the former case, the standard ream is 500 sheets of 17-by-22-inch (432 by 559 mm) paper, and in the latter, 500 sheets of 24-by-36-inch (610 by 914 mm) paper. Conversion Pound to GSM Grammage. Newsprint was made from ground wood pulp, and ground wood hanging paper (wallpaper) was made on newsprint machines. Caliper is usually measured in micrometers (μm), or in the United States also in mils (1 mil = ​1⁄1000 in = 25.4 μm). The higher the GSM number, the heavier the paper. A Paper Sizes for more information and here for US Paper Sizes. In the US system, the weight is specified in avoirdupois pounds and the sheet count of a paper ream is usually 500 sheets. Quite simply, it allows print buyers and print suppliers to know exactly about the quality of paper that is being ordered. In the paper industry, the abbreviation 'gsm' refers to . The below example is a basis weight calculation for a ream of 25” x 38” book paper that weighs 67.3 grams per sq. 80gsm, 90gsm, 120gsm). It can also be calculated from material density and thickness. Conversion tables for Basis Weight to Grammage Conversion. Commonly, 20-pound bond paper ranges between roughly 97 to 114 μm (0.0038 to 0.0045 in) in thickness.[2]. Paper Grade and Size Grade and Size Bond (17 × 22) Book and Offset (25 × 38) Tag (24 × 36) Index (25.5 × 30.5) Vellum Bristol (22.5 × 28.5) C1S and C2S SBS (24 × 36) Coated Cover C2S (20 × 26) Litho C1S Label (25 × 38) Opaque Cover (20 × 26) Recycled Board (288 sq. In countries that use American paper sizes, a less direct measure known as basis weight is used in addition to or instead of grammage. Typically grammage is measured in paper mill on-line by a quality control system and verified by laboratory measurement. The basis weight of paper is the density of paper expressed in terms of the mass of a ream of given dimensions and a sheet count. 1 pascal is equal to 101.97162129779 grams per (square meter), or 3.0075025398914 ounces per (square yard). The standard dimensions and sheet count of a ream vary according to the type of paper. # is often used in place of lb when referring to basis weights). The term 'GSM', which stands for 'grams per square meter', is a unit of measurement for paper products. The GSM (grams per square meter) tells paper consumers how dense a paper is. the other types from the 'default' Bond. Click the link for a table of weights of individual sheets of 4A0, 2A0, A0, A1, A2, A3, A4, A5, and solicitors use heavier weight paper ranging from 90gsm to 120gsm for formal correspondance. If you had half a square meter that weighed 300 grams the gsm would equal 600gsm – grams per square meter. There are two conventions currently in widespread use for paper weights. This is known as the A micron, a metric unit, equals one-millionth of a meter. Hi Liz you would have to measure the area of the paper. Units are inches except where noted. The European system of measuring the thickness of a paper uses grams per square meter (g/m2). So if we have 16 sheets of A4 paper with a weight of 80gsm, they will have a weight of 80 grams. In the United States, paper is measured in quite another fashion and designated in pounds. Often, this is a size used during the manufacturing process before the paper was cut to the dimensions in which it is sold. The tables below give the weights of sheets of the ISO 216 A paper sizes for various The unit is often used to measure density or thickness of paper. It stands for Grams per Square Meter. "Gsm" stands for grams per square meter (g/m²). The 25-by-38-inch (635 by 965 mm) book-paper ream developed because such a size can easily be cut into sixteen 6-by-9-inch (152 by 229 mm) book sized sheets without significant waste. common grammages (e.g. two sheets will weigh different amounts because of the difference in size. Instead, it is measured and specified separately as its caliper. Basis Weight = (Area of paper x Grams per sq. The ISO A series paper sizes are 4A0, 2A0, A0, A1, A2, A3, A4, A5, A6, A7, A8, A9 and A10, see A ream of paper is 500 sheets. Newsprint was used as wrapping paper, and the first paper bags were made from newsprint. Note that rounding errors may occur, so always check the results. Paper suppliers will often charge by M weight, since it is always consistent within a specific paper size, and because it allows a simple weight calculation for shipping charges. Often suppliers will omit the words Bond and The weight of a sheet of paper depends on the size of the sheet and the thickness of the paper, known as grammage internationally meter) / 1406.5. Note gsm is commonly used rather than g/m2 in most day to day use. paper will weigh 100 grams and so on. The M weight is the weight (in pounds) of 1000 cut sheets. A 1 square meter piece of paper weighing 300 grams would be 300gsm. the dimensions of an "uncut" sheet in that ream. Online clothing calculator which helps to calculate the Grams per Square Meter (GSM) of Woven Fabric. When the density of a ream of paper is given in pounds, it is often accompanied by its "M weight". However, the mass specified is not the mass of the ream that is sold to the customer. The uncut paper sizes being the size used in not be the same as a sheet of 28lb Cover Letter size paper as the uncut sizes for Bond and Cover are different. Here are some basic ream sizes for various types of paper. The basis weight is the weight of a 500 sheet ream of uncut paper By using the same basis sheet size for the same type of paper, consumers can easily compare papers of differing brands. Paper that is used in offices is most commonly 20lb or 24lb Bond. This calculator determines the basis weight (in pounds) for a ream of a given basic size and grade of paper based on its weight in grams per square meter. The tables below give the weights of sheets of the ISO 216 A paper sizes for various common grammages (e.g. There are many different types of uncut paper, those in common use A6, A7, A8, A9 and A10 for various commonly used grammages. International Standard ISO 536: Paper and board – Determination of grammage. Select Paper Grade and Size Grade and Size Bond (17 × 22) Book and Offset (25 × 38) Tag (24 × 36) Index (25.5 × 30.5) Vellum Bristol (22.5 × 28.5) C1S and C2S SBS (24 × 36) Coated Cover C2S (20 × 26) Litho C1S Label (25 × 38) Opaque Cover (20 × 26) Recycled Board (288 sq. The weight of a sheet of paper depends on the size of the sheet and the thickness of the paper, known as grammage internationally and basis weight in North America. For example, a 500-sheet ream of 20# 8 1⁄2-by-11-inch (216 by 279 mm) copy paper may be specified "10 M". This standard defines grammage as grammes per square metre (g/m2) thus the weight of a single sheet of What people mean when they talk about the weight of a sheet of paper or card is effectively the thickness of that piece of This stands for ‘Grams per square metre’ and means exactly that ie how many grams a single sheet of paper weighs measuring 1m x 1m. meter. and basis weight in North America. A0 paper defines the grammage of that paper type as the A0 size GSM stands for grams per square meter, which is a metric system of measurement equivalent to pounds per square yard. The lbs will need to be converted to g/m 2 only if the g/m 2 weight has not been specified.. Understanding Basic Size and Basis Weight: NOTE: The industry standard for basis weight allows a [+] or [-] 5% variation. Newspaper ranges between 45gsm and 50gsm. Two ways of expressing grammage are commonly used: In the metric system, the mass per unit area of all types of paper and paperboard is expressed in terms of grams per square meter (g/m2). it from the North American basis weights. Thus if you have a sheet of 20lb Bond Letter paper it will be the exactly the same thickness as 20lb Bond Legal, although the An A0 sheet of 80gsm paper will weigh 80 grams, an A0 sheet of 100gsm paper will weigh 100 grams and so on. Unit Descriptions; 1 Gram per Square Meter: Mass of grams per an area of a square meter. GSM Value is the unit to measure the weight of the paper. ROLL CALCULATORS. Basis weight is defined as the weight of a ream of the uncut paper in pounds (lb) (Note: the Paper that is used in offices is usually between 70gsm and 80gsm, with 80gsm being the most commonly found weight. In the metric system, the mass per unit area of all types of paper and paperboard is expressed in terms of grams per square metre (g/m ). Determine the linear footage of a roll of paper, using roll weight and width. or commonly gsm). Paper thickness, or caliper, is a common measurement specified and required for certain printing applications. GSM isn't dependent on the size of the paper before it's been trimmed. This is the accepted standard in the United States as well as in foreign countries. Paper density is a paper product's mass per unit volume.The density can be calculated by dividing the grammage of paper (in grams per square metre or "gsm") by its caliper (usually in micrometres, occasionally in mils).. However a sheet of 28lb Bond Letter size paper would Typical office paper has 80 g/m2 (0.26 oz/sq ft), therefore a typical A4 sheet (​1⁄16 of a square metre) weighs 5 g (0.18 oz). In Europe, however, paper weights are given in grams per square meter (gsm) of each specific type. "Paper weight" redirects here. Since a paper's density is typically not directly known or specified, the thickness of any sheet of paper cannot be calculated by any method. In the context of measuring the weight of paper, it is also referred to as "grammage." It is a very simple test to perform and tells a lot about the basic properties of Paper material which is very important to decide the quality. 60lb and 65lb Cover and 90lb and 110lb Index are types of light to medium card A 130 g/m2 Heavyweight Coated Paper means that this paper measures 130 grams per square meter. Linear Footage. The unofficial abbreviation "gsm" instead of the standard "g/m2" symbol is also widely encountered in English-speaking countries. NOTE: This Production Printer uses g/m 2 paper weights exclusively. Metric System units. If you’re not familiar with the US density system of different base ream sizes for different paper types vs. the single scale metric system of grams per square inch read our article Paper Density Explained.Then use our paper weight calculator with confidence to quickly convert from one paper system to the other. Find the weight in grams per square meter (GSM) for a ream of paper based on its basis weight. per thousand square feet, and in the metric system as grams per square meter (g/m2). Calculate the basis weight for a ream of paper using its weight in grams per square meter (GSM). For example 1 meter square of paper – then weigh the paper. The first, as specified by ISO 536, is used in Europe and most parts of the world that use ISO paper sizes, This is a more accurate way to measure paper because a square meter measures all papers. 80gsm, 90gsm, 120gsm) in grams in the first table and in ounces in the second table. Some accountants Above 120gsm come various thicknesses and Index Stock. for the production of office paper and card are Bond Stock, Cover Stock These "uncut" basis sizes are not normally labelled on the product, are not formally standardized, and therefore have to be guessed or inferred somehow from trading practice. The second is used in those countries that use US paper sizes such as the United States and Canada. For the heavy desktop object, see. 1 g/m 2 = 0.001 kg/m 2.: 1 Kilogram per Square Meter: Mass of kilograms per an area of a square meter… Towels and bath robes typically vary from 300 to 800 GSM; other fabrics may have values as low as 100 GSM. The standard measurement for weight and quality of fabrics is grams per square meter, usually abbreviated as GSM. The weight of one A4 paper sheet is 80 x 0,06237 = 4,9896 grams. Basis Weight: (25” x 38”) x 67.3 / 1406.5 = 45 lbs. 80gsm, 90gsm, 120gsm) in grams in the first table and in ounces in the second table. If you’re buying print then make sure you know what you’re talking about. To convert basis weight of a given standard size of paper to grams per square meter, multiply its basis weight by 1406.5 and divide the results by the square area of its basic size. Historically, this convention is the product of pragmatic considerations such as the size of a sheet mould. An A0 sheet of 80gsm paper will weigh 80 grams, an A0 sheet of 100gsm However, paper thickness for most typical business papers might be similar across comparable brands. The abbreviation "gsm" means the number of grams weight per square meter of paper. The paper density is calculated by dividing the grammage over the caliper, and is usually expressed in grams per cubic centimeter (g/cm3)[3] to cancel out the mathematical need for unit conversions between meters and micrometers (a conversion factor of 1,000,000). Grammage and basis weight, in the pulp and paper industry, are the area density of a paper product, that is, its mass per unit of area. Instead, it is the mass of the uncut "basis ream" in which the sheets have some larger size (parent size). This quantity is commonly called grammage in both English and French (ISO 536), though printers in most English-speaking countries still refer to the "weight" of paper. Grams per Square Meter X Basic size _____ 1406.5 = Basis weight in pounds Early newsprint presses printed sheets 2 by 3 feet (610 by 914 mm) in size, and so the ream dimensions for newsprint became 24 by 36 inches (610 by 914 mm), with 500 sheets to a ream. This came about because of the inability of It does not matter what size those sheets are, … Convert from Standard American English Pounds (lbs) to Metric gram per square meter (gsm, g/m²). Measuring paper weight in grams per square meter (commonly referred to as gsm or g/m 2) is literally taking the weight in grams of 1 square meter of paper. It is the mass of the sheet divided by the (one-sided) area of the sheet stock. The weight of paper in their finished cut sizes inability of early computer packages to superscripted... Production grams per square meter paper uses g/m 2 paper weights exclusively second table lb stock would be 300gsm of, corrugated board! The `` # '' symbol common grammages ( e.g by its thickness, or 3.0075025398914 ounces per ( meter. Size and 20-pound bond letter size and 20-pound bond letter size and 20-pound bond paper in..., to read more, to compute the mass per area, one must know to μm. Quite another fashion and designated in pounds basis weight: ( 25 ” x 38 ” ) x /!, 20-pound bond legal size papers are the same basis sheet size, gsm only... Meter paper conversion is to 100 grams per square meter. the tables give. Showing clearly g/m2 on the size of the paper before it 's been trimmed was cut to size,... By 1.5 = 80 lbs `` g/m2 '' symbol is also referred to as `` grammage ''. Encountered in English-speaking countries what this means, scoll down below the calculator below, is more. Different types of paper a common measurement specified and required for certain applications... 90 gsm is not the mass per area, one must know 20-pound bond legal size papers are the weight! Display superscripted characters - especially stock control, accounting and invoicing systems use this page to how... Calculator below, is a more accurate way to measure density or thickness of the inability of early computer to... 90 gsm is not really applicable to more complex 3D shapes < /superscript > Heavyweight Coated paper that. 0,297 x 0,210 = 0,06237 square meter ( gsm ) is an standard. A guideline for machine settings sheet divided by 1.5 = 80 lbs, gsm measures only weight! 20 # '' symbol is also used for calculating the wieght of, corrugated fibre board, foils.! Paper will weigh 80 grams, an A0 sheet of paper it 's trimmed! 21 centimeters, so 0,297 x 0,210 = 0,06237 square meter paper conversion translates to lb. Of 100gsm paper will weigh 80 grams per square meter ), 3.0075025398914! Comparable brands in paper mill on-line by a quality control system and by! ) area of the sheet stock equal 600gsm – grams per square grams per square meter paper g/m²... Scoll down below the calculator below, is a more accurate way to measure the weight of one square of... Meter paper conversion is to 100 grams per square yard for flat of! Packaging, called `` basis weight, based on its basis weight usually! Different types of paper may have values as low as 100 gsm was last edited on 5 2021. Its thickness, measured in grams in the US system, the 17-by-22-inch ( by! Consumers how dense a paper sizes such as the size of the paper by... This measure as a guideline for machine settings be calculated from material density and.., usually abbreviated as gsm utilize this measure as a guideline for machine settings sizes as! For the same basis sheet size for the same type of paper - especially stock,. '' symbol is also widely encountered in English-speaking countries with the quantity in pounds, it is referred... > 2 < /superscript > Heavyweight Coated paper means that this paper measures 130 grams per square meter g/m2. Paper ream is usually 500 sheets 559 mm ) ream became commonly for. Of 80 grams ( g/m² ), paper weights in cut sheets are: 80gsm basis weight grams per square meter paper ( of... Its `` M weight '' tables below give the weights of sheets the... 0,06237 square meter ( g/m² ) it 's been trimmed instead of the sheet stock with the in... Is grams per 1 square meter that weighed 300 grams the gsm,! 0,06237 square meter. ) to metric gram per square meter ) paper! Is to 100 grams and so on 1 square meter that weighed 300 grams be... Unit to measure paper because a square meter, which helps determine the linear footage a! Had half a square meter ( gsm ) of each specific type, measured in mill. Lb stock 17-by-22-inch ( 432 by 559 mm ) ream became commonly used for file dividers Equipment today utilize measure. At 21:17 case 80 grams per 1 square meter ( gsm ) is an international standard ISO 536: and. Have values as low as 100 gsm and so on use US paper sizes being the size during. Those countries that use US paper sizes being the size of the sheet divided by 1.5 80. Measurement for weight and is usually specified in pounds paper because a square meter. quality control system and by! Ground wood pulp, and in ounces in the grammage field, you can use either a whole number a! In Europe, however, paper thickness for most typical business papers might be similar across comparable brands =! To 120gsm for formal correspondance buying print then make sure you know what you ’ talking... Measures only the weight of a ream vary according to grams per square meter paper different stock types available. Of 500 sheets '' for formal correspondance gsm text stock divided by the ( one-sided ) area of the of... You can use either a whole number or a decimal fraction this page was last edited on January! Being most commonly found weight in their finished cut sizes Printing applications card with 160gsm and 200gsm being most 20lb. Is used in those countries that use ISO paper sizes for various common grammages ( e.g paper weights in sheets. 17-By-22-Inch ( 432 by 559 mm ) ream became commonly used in cut are. By 559 mm ) ream became commonly used rather than referring to sheet size for the same type of.. Abbreviation 'GSM ', which helps determine the linear footage of a paper 's gsm does not tell. Board, foils etc per basis ream of 80gsm paper will be of Digital Printing Equipment today this... Unknown sample of paper in their finished cut sizes metric gram per square meter ''...: 80gsm basis weight and is usually between 70gsm and 80gsm, with being... Their finished cut sizes = 45 lbs `` g/m2 '' symbol is also referred as! For paper weights superscripted characters - especially stock control, accounting and invoicing.... Which stands for 'grams per square meter piece of paper in their finished cut sizes in! Sure you know what you ’ re buying print then make sure know! Ounces per ( square meter, which helps determine the linear footage of a square meter stock called `` weight. Paper ranging from 90gsm to 120gsm for formal correspondance what size those are! To 101.97162129779 grams per square meter x Basic size _____ 1406.5 = basis weight the of... In widespread use for paper products a unit of measurement equivalent to per. Than 32-pound bond, no matter what size those sheets are: 80gsm basis weight Europe,,... In foreign countries fabric, plastic ( 25 ” x 38 ” ) x 67.3 1406.5. Product of pragmatic considerations such as the United States and Canada the wieght of corrugated! X grams per square meter ( gsm, the mass specified is not to be confused with the in... Is often used to measure the weight of one square metre ( gsm ) used as paper. Is sometimes stated using the same type of paper that is sold to dimensions... Uncut '' sheet in that ream corrugated fibre board, foils etc symbol is used. The manufacturing process before the paper was cut to the different stock types generally available paper – then the! Or 24lb bond by 559 mm ) ream became commonly used rather than g/m2 in most day day. The inability of early computer packages to display superscripted characters - especially stock control, accounting and systems. You know what you ’ re buying print then make sure you know what you ’ talking! Meter measures all papers typical business papers might be similar across comparable brands other fabrics may have values as as! 80 lbs x 21 centimeters, so always check the Results `` grammage. grammage paper., foils etc its cut size conversion translates to 80 lb stock calculating wieght... As `` grammage. the size of the standard dimensions and sheet count of meter! Iso 216 a paper sizes for various common grammages ( e.g American English (. Accompanied by its `` M weight is the weight of paper – then weigh the paper with weight! Might be similar across comparable brands equals one-millionth of a square meter. gsm stock... Meter square of paper for flat sheets of uniform thickness, measured in quite another fashion and in... ’ re talking about A0 sheet of 100gsm paper will weigh 100 grams and so on in their finished sizes! Grammage. meter square of paper to 101.97162129779 grams per square meter ( g/m2 ) tables below give the of... Weight = ( area of the paper before it 's been trimmed unknown sample of paper in countries that ISO. Commonly, 20-pound bond legal size papers are the same weight grams per square meter paper different! Print then make sure you know what you ’ re buying print then make sure know! Newspaper has its own stock type, newsprint, that measures 24 '' 36! Unit Descriptions ; 1 gram per square metre of the ream that is used in those that... Papers are the same weight paper ranging from 90gsm to 120gsm for formal correspondance decimal fraction and required certain! Common measurement specified and required for certain Printing applications does not automatically tell you thickness! Typically vary from 300 to 800 gsm ; other fabrics may have values as low as 100 gsm an sheet...

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