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Encyclopedia > Paper size
Comparison of the most common paper sizes.
Comparison of the most common paper sizes.

There have been many standard sizes of paper at different times and in different countries, but today there are two widespread systems in use: the international standard (A4 and its siblings) and, to a much lesser extent, the North American sizes. Image File history File links A_size_illustration2_with_letter_and_legal. ... Image File history File links A_size_illustration2_with_letter_and_legal. ... For other uses, see Paper (disambiguation). ...

Contents

The international standard: ISO 216

A size chart illustrating the ISO A series.
A size chart illustrating the ISO A series.
Main article: ISO 216

The international paper size standard, ISO 216, is based on the German DIN 476 standard for paper sizes. Using the metric system, the base format is a sheet of paper measuring 1 in area (A0 paper size). Successive paper sizes in the series A1, A2, A3, etc., are defined by halving the preceding paper size parallel to its shorter side. The most frequently used paper size is A4 (210 × 297 mm). Image File history File links A_size_illustration. ... Image File history File links A_size_illustration. ... ISO 216 specifies international standard (ISO) paper sizes, used in most countries in the world today. ... DIN Deutsches Institut für Normung e. ... The International System of Units (symbol: SI) (for the French phrase Syst me International dUnit s) is the most widely used system of units. ... A square metre (US spelling: square meter) is by definition the area enclosed by a square with sides each 1 metre long. ... A comparison of different paper sizes A4 is a standard paper size, defined by the international standard ISO 216 as 210×297 mm (roughly 8. ...


This standard has been adopted by all countries in the world except the United States and Canada. In Mexico and the Philippines, despite the ISO standard having been officially adopted, the U.S. "letter" format is still in common use. The paper size Letter is the most common paper size for office use in the United States, Canada, Mexico, and a few other countries. ...


ISO paper sizes are all based on a single aspect ratio of the square root of two, or approximately 1:1.4142. The advantages of basing a paper size upon this ratio were already noted in 1786 by the German scientist Georg Lichtenberg (in a letter to Johann Beckmann): if a sheet with aspect ratio √2 is horizontally divided into two equal halves, then the halves will again have aspect ratio √2. In the beginning of the twentieth century, Dr Walter Porstmann turned Lichtenberg's idea into a proper system of different paper sizes. Porstmann's system was introduced as a DIN standard (DIN 476) in Germany in 1922, replacing a vast variety of other paper formats. Even today the paper sizes are called "DIN A4" in everyday use in Germany. For other uses, see Aspect ratio. ... The square root of two is the positive real number which, when multiplied by itself, gives a product of two. ... Georg Christoph Lichtenberg. ... Look up din in Wiktionary, the free dictionary. ...


The DIN 476 standard spread quickly to other countries, and before the outbreak of World War II it had been adopted by the following countries: Combatants Allied powers: China France Great Britain Soviet Union United States and others Axis powers: Germany Italy Japan and others Commanders Chiang Kai-shek Charles de Gaulle Winston Churchill Joseph Stalin Franklin Roosevelt Adolf Hitler Benito Mussolini Hideki Tōjō Casualties Military dead: 17,000,000 Civilian dead: 33,000...

During the war it was adopted by Uruguay (1942), Argentina (1943) and Brazil (1943); and directly afterwards the standard continued to spread to other countries:

By 1975 so many countries were using the German system that it was established as an ISO standard, as well as the official United Nations document format. By 1977 A4 was the standard letter format in 88 of 148 countries, and today only the U.S. and Canada have not adopted the system. Yugoslavia (Jugoslavija in the Latin alphabet, Југославија in Cyrillic; English: South Slavia, or literary The Land of South Slavs) describes three political entities that existed one at a time on the Balkan Peninsula in Europe, during most of the 20th century. ... This article is about the former British colony of Southern Rhodesia, todays Zimbabwe. ... “ISO” redirects here. ... UN and U.N. redirect here. ...


The largest standard size, A0, has an area of 1 . The length of the long side of the sheet in metres is the 4th root of 2—approximately 1.189 metres. The short side is the reciprocal of this number, approximately 0.841 metres. A1 is formed by cutting a piece of A0 into two equal area rectangles. Because of the choice of lengths, the aspect ratio is the same for A1 as for A0 (as it is for A2, A3, etc). This particular measurement system was chosen to allow folding of one standard size into another, which cannot be accomplished with traditional paper sizes. A square metre (US spelling: square meter) is by definition the area enclosed by a square with sides each 1 metre long. ... The reciprocal function: y = 1/x. ...


Brochures are made by using material at the next size up i.e. material at A3 is folded to make A4 brochures. Similarly, material at A4 is folded to make A5 brochures. ISO 216 specifies international standard (ISO) paper sizes, used in most countries in the world today. ...


It also allows scaling without loss of image from one size to another. Thus an A4 page can be enlarged to A3 and retain the exact proportions of the original document. Office photocopiers in countries that use ISO 216 paper often have one tray filled with A4 and another filled with A3. A simple method is usually provided (e.g. one button press) to enlarge A4 to A3 or reduce A3 to A4. This also allows two sheets of A4 (or any other size) to be scaled down and fit exactly 1 sheet without any cutoff or margins.

A size chart illustrating the ISO B series.
A size chart illustrating the ISO B series.

There is also a much less common B series. The area of B series sheets is the geometric mean of successive A series sheets. So, B1 is between A0 and A1 in size, with an area of 0.71 m² (). As a result, B0 has one side 1-metre long, and other sizes in the B series have one side that is a half, quarter or eighth of a metre. While less common in office use, it is used for a variety of special situations. Many posters use B-series paper or a close approximation, such as 50 cm×70 cm; B5 is a relatively common choice for books. The B series is also used for envelopes and passports. Image File history File links B_size_illustration. ... Image File history File links B_size_illustration. ... The geometric mean of a collection of positive data is defined as the nth root of the product of all the members of the data set, where n is the number of members. ... Front of an envelope mailed in the U.S. in 1906 contains postage stamp and address. ... For Microsoft Corporation’s “universal login” service, formerly known as Microsoft Passport Network, see Windows Live ID. For other types of travel document, see Travel document. ...


The C series is used only for envelopes and is defined in ISO 269. The area of C series sheets is the geometric mean of the areas of the A and B series sheets of the same number; for instance, the area of a C4 sheet is the geometric mean of the areas of an A4 sheet and a B4 sheet. This means that C4 is slightly larger than A4, and B4 slightly larger than C4. The practical usage of this is that a letter written on A4 paper fits inside a C4 envelope, and a C4 envelope fits inside a sturdier B4 envelope. International standard sizes International standard ISO 269 defines several standard envelope sizes, which are designed for use with ISO 216 standard paper sizes: The German standard DIN 678 defines a similar list of envelope formats. ...


The scalability also means that less paper (and hence money) is wasted by printing companies.

ISO paper sizes (plus rounded inch values)
Format A series B series C series
Size mm × mm in × in mm × mm in × in mm × mm in × in
0 841 × 1189 33.1 × 46.8 1000 × 1414 39.4 × 55.7 917 × 1297 36.1 × 51.1
1 594 × 841 23.4 × 33.1 707 × 1000 27.8 × 39.4 648 × 917 25.5 × 36.1
2 420 × 594 16.5 × 23.4 500 × 707 19.7 × 27.8 458 × 648 18.0 × 25.5
3 297 × 420 11.7 × 16.5 353 × 500 13.9 × 19.7 324 × 458 12.8 × 18.0
4 210 × 297 8.3 × 11.7 250 × 353 9.8 × 13.9 229 × 324 9.0 × 12.8
5 148 × 210 5.8 × 8.3 176 × 250 6.9 × 9.8 162 × 229 6.4 × 9.0
6 105 × 148 4.1 × 5.8 125 × 176 4.9 × 6.9 114 × 162 4.5 × 6.4
7 74 × 105 2.9 × 4.1 88 × 125 3.5 × 4.9 81 × 114 3.2 × 4.5
8 52 × 74 2.0 × 2.9 62 × 88 2.4 × 3.5 57 × 81 2.2 × 3.2
9 37 × 52 1.5 × 2.0 44 × 62 1.7 × 2.4 40 × 57 1.6 × 2.2
10 26 × 37 1.0 × 1.5 31 × 44 1.2 × 1.7 28 × 40 1.1 × 1.6

The tolerances specified in the standard are An inch (plural: inches; symbol or abbreviation: in or, sometimes, ″ - a double prime) is the name of a unit of length in a number of different systems, including English units, Imperial units, and United States customary units. ...

  • ±1.5 mm (0.06 in) for dimensions up to 150 mm (5.9 in),
  • ±2 mm (0.08 in) for lengths in the range 150 to 600 mm (5.9 to 23.6 in) and
  • ±3 mm (0.12 in) for any dimension above 600 mm (23.6 in).

German extensions

The German standard DIN 476 was published in 1922 and is the original specification of the A and B sizes. It differs in two details from its international successor: Look up din in Wiktionary, the free dictionary. ...


DIN 476 provides an extension to formats larger than A0, denoted by a prefix factor. In particular, it lists the two formats 2A0, which is twice the area of A0, and 4A0, which is four times A0:

DIN 476 overformats
Name mm × mm in × in
4A0 1682 × 2378 66.2 × 93.6
2A0 1189 × 1682 46.8 × 66.2

DIN 476 also specifies slightly tighter tolerances:

  • ±1 mm (0.04 in) for dimensions up to 150 mm (5.9 in),
  • ±1.5 mm (0.06 in) for lengths in the range 150 mm to 600 mm (5.9 to 23.6 in) and
  • ±2 mm (0.08 in) for any dimension above 600 mm (23.6 in).

Swedish extensions

The Swedish standard SIS 014711 generalized the ISO system of A, B, and C formats by adding D, E, F, and G formats to it. Its D format sits between a B format and the next larger A format (just like C sits between A and the next larger B). The remaining formats fit in between all these formats, such that the sequence of formats A4, E4, C4, G4, B4, F4, D4, H4, A3 is a geometric progression, in which the dimensions grow by a factor 21/8 from one size to the next. However, the SIS 014711 standard does not define any size between a D format and the next larger A format (called H in the previous example). Of these additional formats, G5 (169x239 mm) and E5 (155x220 mm) are popular in Sweden for printing dissertations [1], but the other formats have not turned out to be particularly useful in practice and they have not caught on internationally. Diagram showing the geometric series 1 + 1/2 + 1/4 + 1/8 + ... which converges to 2. ...


Japanese B-series variant

The JIS defines two main series of paper sizes. The JIS A-series is identical to the ISO A-series, but with slightly different tolerances. The area of B-series paper is 1.5 times that of the corresponding A-paper, so the length ratio is approximately 1.22 times the length of the corresponding A-series paper. The aspect ratio of the paper is the same as for A-series paper. Both A- and B-series paper is widely available in Japan and most photocopiers are loaded with at least A4 and B4 paper. Japanese Industrial Standards (JIS) specifies the standards used for industrial activities in Japan. ...


There are also a number of traditional paper sizes, which are now used mostly only by printers. The most common of these old series are the Shiroku-ban and the Kiku paper sizes.

JIS paper sizes (plus rounded inch values)
Format B series Shiroku ban Kiku
Size mm × mm in × in mm × mm in × in mm × mm in × in
0 1030 × 1456 40.6 × 57.3
1 728 × 1030 28.7 × 40.6
2 515 × 728 20.3 × 28.7
3 364 × 515 14.3 × 20.3
4 257 × 364 10.1 × 14.3 264 × 379 10.4 × 14.9 227 × 306 8.9 × 12.0
5 182 × 257 7.2 × 10.1 189 × 262 7.4 × 10.3 151 × 227 5.9 × 8.9
6 128 × 182 5.0 × 7.2 189 × 262 7.4 × 10.3
7 91 × 128 3.6 × 5.0 127 × 188 5.0 × 7.4
8 64 × 91 2.5 × 3.6
9 45 × 64 1.8 × 2.5
10 32 × 45 1.3 × 1.8
11 22 × 32 0.9 × 1.3
12 16 × 22 0.6 × 0.9

An inch (plural: inches; symbol or abbreviation: in or, sometimes, ″ - a double prime) is the name of a unit of length in a number of different systems, including English units, Imperial units, and United States customary units. ...

North American paper sizes

Loose sizes

Current standard sizes of U.S. paper are a subset of the traditional sizes referred to below. "Letter", "legal", and "ledger"/"tabloid" are by far the most commonly used of these for everyday activities. The origin of the exact dimensions of "letter" size paper (8½ in × 11 in, 215.9 mm × 279.4 mm) are lost in tradition and not well documented. The author of the American Forest and Paper Association website argues that the dimension originates from the days of manual paper making, and that the 11 inch length of the page is about a quarter of "the average maximum stretch of an experienced vatman's arms" [2]. However, this does not explain the width or aspect ratio. “Superset” redirects here. ...


There is an additional paper size, to which the name "government-letter" was given by the IEEE Printer Working Group: the 8 in × 10½ in (203.2 mm × 266.7 mm) paper that is used in America for children's writing. It was prescribed by Herbert Hoover when he was Secretary of Commerce to be used for U.S. government forms, apparently to enable discounts from the purchase of paper for schools. In later years, as photocopy machines proliferated, citizens wanted to make photocopies of the forms, but the machines did not generally have this size paper in their bins. Ronald Reagan therefore had the U.S. government switch to regular letter size (8½ in × 11 in).[citation needed] The 8 in × 10½ in size is still commonly used in spiral-bound notebooks and the like. The Institute of Electrical and Electronics Engineers or IEEE (pronounced as eye-triple-ee) is an international non-profit, professional organization incorporated in the State of New York, United States. ... The Printer Working Group charter is to develop standards that make printers, operating systems and aplications work better. ... Herbert Clark Hoover (August 10, 1874 – October 20, 1964), the thirty-first President of the United States (1929–1933), was a world-famous mining engineer and humanitarian administrator. ... The office of the U.S. Secretary of Commerce in the mid-20th century. ... Reagan redirects here. ... A spiral-bound notebook with pen A notebook (also notepad, writing pad, legal pad etc. ...


An alternative explanation in the past for the difference between "government size" (as government-letter size was referred to at the time) and letter size paper was that the slightly smaller sheet used less paper, and therefore saved the government money in both paper and filing space. However, when Reagan prescribed the change to letter size, it was commonly stated that U.S. paper manufacturers had standardized their production lines for letter size, and were meeting government orders by trimming ½" each from two sides of letter-size stock; thus the government was allegedly paying more for its smaller paper size before Reagan abolished it. The different paper size also reportedly restricted the government's ability to take advantage of modular office furniture designs, common in the 1980s, whose cabinets were designed for letter size paper.


U.S. paper sizes are currently standard in the United States and the Philippines. The latter uses U.S. "letter", but the Philippine "legal" size is 8½ in × 13 in (215.9 mm × 330.2 mm).[citation needed] ISO sizes are available, but not widely used, in both the U.S. and the Philippines.


In Canada, U.S. paper sizes are a de facto standard. The government, however, uses a combination of ISO paper sizes, and CAN 2-9.60M "Paper Sizes for Correspondence" specifies P1 through P6 paper sizes, which are the U.S. paper sizes rounded to the nearest 5 mm.[1]


Mexico has adopted the ISO standard, but U.S. "letter" format is still the system in use throughout the country. It is virtually impossible to encounter ISO standard papers in day-to-day uses, with "Carta 216 mm × 279 mm" (letter), "Oficio 216 mm × 340 mm" (legal) and "Doble carta" (ledger/tabloid) being nearly universal. U.S. sizes are also widespread and in common use in Colombia [3].


See switching costs, network effects and standardization for possible reasons for differing regional adoption rates of the ISO standard sizes. Switching barriers or switching costs are terms used in microeconomics, strategic management, and marketing to describe any impediment to a customers changing of suppliers. ... A network effect is a characteristic that causes a good or service to have a value to a potential customer which depends on the number of other customers who own the good or are users of the service. ... “Standard” redirects here. ...


ANSI paper sizes

A size chart illustrating the ANSI sizes.
A size chart illustrating the ANSI sizes.

In 1995, the American National Standards Institute adopted ANSI/ASME Y14.1 which defined a regular series of paper sizes based upon the de facto standard 8½ in × 11 in "letter" size which it assigned "ANSI A". This series also includes "ledger"/"tabloid" as "ANSI B". This series is somewhat similar to the ISO standard in that cutting a sheet in half would produce two sheets of the next smaller size. Unlike the ISO standard, however, the arbitrary aspect ratio forces this series to have two alternating aspect ratios. The ANSI series is shown below. Image File history File links ANSI_size_illustration. ... Image File history File links ANSI_size_illustration. ... The American National Standards Institute or ANSI (pronounced an-see) is a nonprofit organization that oversees the development of standards for products, services, processes and systems in the United States. ...


With care, documents can be prepared so that the text and images fit on either ANSI or their equivalent ISO sheets at 1:1 reproduction scale.

Name in × in mm × mm Ratio Alias Similar ISO size
ANSI A 8½ × 11 279 × 216 1.2941 Letter A4
ANSI B 11 × 17 432 × 279 1.5455 Ledger, Tabloid A3
ANSI C 17 × 22 559 × 432 1.2941 A2
ANSI D 22 × 34 864 × 559 1.5455 A1
ANSI E 34 × 44 1118 × 864 1.2941 A0

Other, larger sizes continuing the alphabetic series illustrated above exist, but it should be noted that they are not part of the series per se, because they do not exhibit the same aspect ratios. For example, Engineering F size (28 in × 40 in, 711.2 mm × 1016.0 mm) also exists, but is rarely encountered, as are G, H, … N size drawings. G size is 22½ in (571.5 mm) high, but variable width up to 90 in (2286 mm) in increments of 8½ in, i.e., roll format. H and larger letter sizes are also roll formats. Such sheets were at one time used for full-scale layouts of aircraft parts, wiring harnesses and the like, but today are generally not needed, due to widespread use of computer-aided design (CAD) and computer-aided manufacturing (CAM). CADD and CAD redirect here. ... Computer-aided manufacturing (CAM) is the use of computer-based software tools that assist engineers and machinists in manufacturing or prototyping product components. ...


Architectural sizes

In addition to the ANSI system as listed above, there is a corresponding series of paper sizes used for architectural purposes. This series also shares the property that bisecting each size produces two of the size below. This series is likely preferred by North American architects due to the fact that the aspect ratios (4:3 and 3:2) are ratios of small numbers, unlike their ANSI (or ISO) counterparts. Furthermore, the aspect ratio 4:3 matches the traditional aspect ratio for computer displays. The architectural series, usually abbreviated "Arch", is shown below: This article is about building architecture. ...

Name in × in mm × mm Ratio
Arch A 12 × 9 305 × 229 4:3
Arch B 18 × 12 457 × 305 3:2
Arch C 24 × 18 610 × 457 4:3
Arch D 36 × 24 914 × 610 3:2
Arch E 48 × 36 1219 × 914 4:3
Arch E1 42 × 30 1067 × 762 7:5

Other sizes

Name in × in mm × mm Ratio
Statement, Half Letter 5½ × 8½ 140 × 216 1.5455
Quarto 8 × 10 203 × 254 1.25
Executive, Monarch 7¼ × 10½ 184 × 267 1.4483
Government-Letter 8 × 10½ 203 × 267 1.3125
Letter 8½ × 11 216 × 279 1.2941
Foolscap, Folio 8 × 13 203 × 330 1.625
Government-Legal 8½ × 13 216 × 330 1.52(7)
Legal 8½ × 14 216 × 356 1.6471
Ledger, Tabloid 11 × 17 279 × 432 1.(54)
Super-B 13 × 19 330 × 483 1.4615
Post 15½ × 19½ 394 × 489 1.2419
Crown 15 × 20 381 × 508 1.(3)
Large Post 16½ × 21 419 × 533 1.(27)
Demy 17½ × 22½ 445 × 572 1.2857
Medium 18 × 23 457 × 584 1.(27)
Broadsheet 18 × 24 457 × 610 1.(3)
Royal 20 × 25 508 × 635 1.25
Elephant 23 × 28 584 × 711 1.2174
Double Demy 22½ × 35 572 × 889 1.(5)
Quad Demy 35 × 45 889 × 1143 1.2857
Index and business cards
Name in × in mm × mm Ratio
Index card 3 × 5 76 × 127 1.(6)
Index card 4 × 6 102 × 152 1.5
Index card 5 × 8 127 × 203 1.6
International business card 2⅛ × 3.37 53.98 × 85.6 1.586
US business card 2 × 3½ 51 × 89 1.75
Photographs
in × in mm × mm Ratio
3 × 5 76 × 127 1.(6)
4 × 6 102 × 152 1.5
5 × 7 127 × 178 1.4
8 × 10 203 × 254 1.25

An index card is a piece of heavy paper stock, cut to a standard size and often used for recording individual items of information that can then be easily rearranged and filed. ... Attorney business card 1895 Business cards are cards bearing business information about a company or individual. ... For other uses, see Photograph (disambiguation). ...

Tablet sizes

See also: Notebook

The sizes listed above are for paper sold loosely in reams. There are a large number of sizes of tablets of paper, that is, sheets of paper kept from flying around by being bound at one edge, usually by a strip of plastic or hardened PVA adhesive. Often there is a pad of cardboard (also known as chipboard or greyboard) at the bottom of the stack. Such a tablet serves as a portable writing surface, and the sheets have lines printed on them, usually in blue, to make writing in a line easier. An older means of binding is to have the sheets stapled to the cardboard along the top of the tablet; there is a line of perforated holes across every page just below the top edge from which any page may be torn off. Lastly, a pad of sheets each weakly stuck with adhesive to the sheet below, trade-marked as "Post-It" or "Stick-Em" and available in various sizes, serve as a sort of tablet. Image File history File links Emblem-important. ... A spiral-bound notebook with pen A notebook (also notepad, writing pad, legal pad etc. ... A Ream of paper is a quantity of sheets. ... Polyvinyl acetate formula Polyvinyl acetate or PVA is a rubbery synthetic polymer. ... Paperboard is a paper-like material, usually over ten mils (0. ... Chipboard has different meanings in different places: In the US, it is a term for paperboard, a type of cardboard used by printers to make notepads. ...


The significance of taking separate note of these sizes is that their contents are just as likely to be photocopied and enlarged, of course onto loose paper, as are the more standardized international sizes of paper.


"Letter pads" are of course 8½ by 11 inches, while the term "Legal pad" is often used by laymen to refer to pads of various sizes including those of 8½ by 14 inches. There are "Steno pads" (used by stenographers) of 6 by 9 inches. Similar pads exist for pre-school children of twice and four times this size, 9 by 12 inches and 12 by 18 inches, which are ruled with the lines going the long way across the paper. This provides ample writing area for young children who have not yet developed fine motor control. For this latter use, there are also pads of 10¾ by 13½ inches. Shorthand is a writing method that can be done at speed because an abbreviated or symbolic form of language is used. ...


For varied commercial purposes, all sorts of sizes have been recently observed: 4 by 5½ inches; 5 by 8 inches; 5⅜ by 8¼ inches; 6 by 9½ inches; 7¼ by 9½ inches; and 7¾ by 9⅞ inches.


The only "metric" paper in the shops where this observation was taken are a few Chinese-made "composition books" for children which are 190 mm by 247 mm, a slight modification from the 7¾ by 9¾ inch ones. But the holes in the sheets of any of these tablets fit American-standard binders. A composition book is one of a type of stock-bound notebook commonly used by writers and students. ...


Of course, in countries where the ISO sizes are standard, most notebooks and tablets are sized to ISO specifications (for example, most newsagents in Australia stock A4 and A3 tablets).


Traditional inch-based paper sizes

Traditionally, a number of different sizes were defined for large sheets of paper, and paper sizes were defined by the sheet name and the number of times it had been folded. Thus a full sheet of "royal" paper was 25 × 20 inches, and "royal octavo" was this size folded three times, so as to make eight sheets, and was thus 10 by 6¼ inches. An inch (plural: inches; symbol or abbreviation: in or, sometimes, ″ - a double prime) is the name of a unit of length in a number of different systems, including English units, Imperial units, and United States customary units. ...


Imperial sizes were used in the United Kingdom and its territories. Some of the base sizes were as follows:

Name in × in mm × mm Ratio
Emperor 48 × 72 1219 × 1829 1.5
Antiquarian 31 × 53 787 × 1346 1.7097
Grand eagle 28¾ × 42 730 × 1067 1.4609
Double elephant 26¾ × 40 678 × 1016 1.4984
Atlas* 26 × 34 660 × 864 1.3077
Colombier 23½ × 34½ 597 × 876 1.4681
Double demy 22½ × 35½ 572 × 902 1.5(7)
Imperial* 22 × 30 559 × 762 1.3636
Double large post 21 × 33 533 × 838 1.5713
Elephant* 23 × 28 584 × 711 1.2174
Princess 21½ × 28 546 × 711 1.3023
Cartridge 21 × 26 533 × 660 1.2381
Royal* 20 × 25 508 × 635 1.25
Sheet, half post 19½ × 23½ 495 × 597 1.2051
Double post 19 × 30½ 483 × 762 1.6052
Super royal 19 × 27 483 × 686 1.4203
Medium* 17½ × 23 470 × 584 1.2425
Demy* 17½ × 22½ 445 × 572 1.2857
Large post 16½ × 21 419 × 533 1.(27)
Copy draught 16 × 20 406 × 508 1.25
Large post 15½ × 20 394 × 508 1.2903
Post* 15½ × 19¼ 394 × 489 1.2419
Crown* 15 × 20 381 × 508 1.(3)
Pinched post 14¾ × 18½ 375 × 470 1.2533
Foolscap* 13½ × 17 343 × 432 1.2593
Small foolscap 13¼ × 16½ 337 × 419 1.2453
Brief 13½ × 16 343 × 406 1.1852
Pott 12½ × 15 318 × 381 1.2

* The sizes marked with an asterisk are still in use in the United States.


The common divisions and their abbreviations include:

Name Abbr. Folds Leaves Pages
Folio fo, f 1 2 4
Quarto 4to 2 4 8
Sexto, sixmo 6to, 6mo 3 6 12
Octavo 8vo 3 8 16
Duodecimo, twelvemo 12mo 4 12 24
Sextodecimo, sixteenmo 16mo 4 16 32

Foolscap folio is often referred to simply as 'folio' or 'foolscap'. Similarly, 'quarto' is more correctly 'copy draught quarto'. Foolscap Folio (commonly contracted to foolscap or folio) is paper cut to the size of 8½ × 13½ inches (216 × 342 mm). ...


Many of these sizes were only used for making books (see bookbinding), and would never have been offered for ordinary stationery purposes. For other uses, see Book (disambiguation). ... Old book binding and cover Bookbinding is the process of physically assembling a book from a number of folded or unfolded sheets of paper or other material. ...


Transitional paper sizes

PA series

PA4-based series
Name mm × mm Ratio
PA0 840 × 1120 3:4
PA1 560 × 840 2:3
PA2 420 × 560 3:4
PA3 280 × 420 2:3
PA4 210 × 280 3:4
PA5 140 × 210 2:3
PA6 105 × 140 3:4
PA7 70 × 105 2:3
PA8 52 × 70 ≈3:4
PA9 35 × 52 ≈2:3
PA10 26 × 35 ≈3:4

A transitional size called PA4 (210 mm × 280 mm, 8¼ in × 11 in) was proposed for inclusion into the ISO 216 standard in 1975. It has the height of Canadian P4 paper (215 mm × 280 mm, about 8½ in × 11 in) and the width of international A4 paper (210 mm × 297 mm). The table to the right shows how this format can be generalized into an entire format series.


The PA formats did not end up in ISO 216, because the committee felt that the set of standardized paper formats should be kept to the minimum necessary. However, PA4 remains of practical use today. In landscape orientation, it has the same 4:3 aspect ratio as the displays of traditional TV sets, most computers and data projectors. PA4 is therefore a good choice as the format of computer presentation slides. At the same time, PA4 is the largest format that fits on both A4 and U.S./Canadian "Letter" paper without resizing. This article does not cite its references or sources. ... Nineteen inch (48 cm) CRT computer monitor A computer display, monitor or screen is a computer peripheral device capable of showing still or moving images generated by a computer and processed by a graphics card. ... A digital projector is an electro-optical machine which converts image data from a computer or video source to a bright image which is then imaged on a distant wall or screen using a lens system. ...


PA4 is used today by many international magazines, because it can be printed easily on equipment designed for either A4 or U.S. "Letter". This article or section does not adequately cite its references or sources. ...


Antiquarian

Although the movement is towards the international standard metric paper sizes, on the way there from the traditional ones there has been at least one new size just a little larger than that used internationally. British architects and industrial designers once used a size called "Antiquarian" as listed above, but given in the New Metric Handbook (Tutt & Adler 1981) as 813 mm × 1372 mm. This is a little larger than the A0 size. So for a short time, a size called A0a (1000 mm × 1370 mm) was used in Britain.


F4

F4 (210 mm × 330 mm) is common in Southeast Asia and Australia, and is sometimes called "foolscap". It has the same width as A4, but is longer. F4 is a paper format of size 210 mm x 330 mm. ...


Other metric sizes

Name mm × mm in × in
DL 110 × 220 4.3 × 8.7
F4 210 × 330 8.3 × 13.0
RA0 860 × 1220 33.9 × 48.0
RA1 610 × 860 24.0 × 33.9
RA2 430 × 610 16.9 × 24.0
RA3 305 × 430 12.0 × 16.9
RA4 215 × 305 8.5 × 12.0
SRA0 900 × 1280 35.4 × 50.4
SRA1 640 × 900 25.2 × 35.4
SRA2 450 × 640 17.7 × 25.2
SRA3 320 × 450 12.6 × 17.7
SRA4 225 × 320 8.9 × 12.6
A3+ 329 × 483 12.9 × 19.0

See also

This article does not cite any references or sources. ... This article does not cite any references or sources. ... This article does not cite any references or sources. ... Photographic printing is the process of producing a final image for viewing, usually on sensitized paper from a previously prepared photographic negative. ... It has been suggested that this article or section be merged with Hole punch. ... International standard sizes International standard ISO 269 defines several standard envelope sizes, which are designed for use with ISO 216 standard paper sizes: The German standard DIN 678 defines a similar list of envelope formats. ... An index card is a piece of heavy paper stock, cut to a standard size and often used for recording individual items of information that can then be easily rearranged and filed. ... The size of a specific book is measured from the head to tail of the spine, and from edge to edge across the covers. ... Old book binding and cover Bookbinding is the process of physically assembling a book from a number of folded or unfolded sheets of paper or other material. ... PC LOAD LETTER error on an HP Laserjet 4 PC LOAD LETTER is a technology meme, originally a printer error message, which has grown into popular culture as a reference to a confusing or inappropriate error message. ...

References

  1. International standard ISO 216, Writing paper and certain classes of printed matter — Trimmed sizes — A and B series. International Organization for Standardization, Geneva, 1975.
  2. International standard ISO 217: Paper — Untrimmed sizes — Designation and tolerances for primary and supplementary ranges, and indication of machine direction. International Organization for Standardization, Geneva, 1995.
  3. M. Kuhn: International standard paper sizes. Web page, Computer Laboratory, University of Cambridge, 1996–2006.
  4. Max Helbig, Winfried Hennig: DIN-Format A4 – Ein Erfolgssystem in Gefahr. Beuth-Kommentare, Beuth Verlag, Berlin, 1998. ISBN 3-410-11878-0
  5. Arthur D. Dunn: Notes on the standardization of paper sizes. Ottawa, Canada, 54 pages, 1972.
  6. American Forest and Paper Association — FAQ: Why is the standard paper size in the U.S. 8 ½" × 11"?

Standards are produced by many organizations, some for internal usage only, others for use by a groups of people, groups of companies, or a subsection of an industry. ... ISO 216 specifies international standard (ISO) paper sizes, used in most countries in the world today. ... “ISO” redirects here. ... Standards are produced by many organizations, some for internal usage only, others for use by a groups of people, groups of companies, or a subsection of an industry. ... “ISO” redirects here. ...

External links


  Results from FactBites:
 
Size, paper, source, etc. (856 words)
They are available matted in 11 by 14 inch acid-free mats, which fit a standard size frame.
Historical Ink's reproductions of antique maps are reprinted in fl ink on natural-color parchment, slightly reduced in size from the originals.
All are available unmatted or matted in acid-free 16 by 20 inch mats which fit a standard size frame.
Paper size - Wikipedia, the free encyclopedia (2878 words)
The international paper size standard, ISO 216, is metric (the base format is a sheet of paper measuring 1 m²) and has been adopted by all countries in the world, except the United States and Canada.
ISO paper sizes are all based on a single aspect ratio of the square root of two, or approximately 1:1.4142.
Basing paper upon this ratio was conceived by Georg Lichtenberg in 1786, and in the beginning of the 20th century, Dr Walter Porstmann turned Lichtenberg's idea into a proper system of different paper sizes.
  More results at FactBites »

 
 

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