Paper sizes

Nowadays, paper plays a fundamental role in the printing jobs of the advertising and publishing sectors, for this reason it is very important to be able to know what paper formats exist, what are their types and the measurements of each one.

Selecting the perfect paper is essential to be able to achieve a good printing job. Next we will know what types and sizes of paper exist.

European formatAmerican format
Formats-A series paper size (A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10).
-B-series paper size (B0, B1, B2, B3, B4, B5, B6, B7, B8, B9, B10).
-C-series paper size (C0, C1, C2, C3, C4, C5, C6, C7, C8, C9, C10).
-Letter paper
-Letter paper
size-Legal paper size
-Legal paper size -Tabloid paper size
Applications-Series A: A0 to A3 used by the graphic and advertising industry; A3 to A5 used by the publishing industry for books, magazines, brochures and office supplies; A7 to A10 used to make cards.
-Series B: They provide sizes that were not found in series A.
-Series C: Used to create envelopes
-Letter or letter: use similar to the A4 size of the European system.
-Legal: They are used in places such as courts, government offices, civil registries and any body that issues official documents with legal validity
-Office: Similar to Legal paper
-Tabloid: This format is the one usually used for printed newspapers.

The paper formats are delimited by the ISO 216 / DIN 476 standard , which is an international standard that regulates the size of the paper with the main purpose of being able to save paper and other secondary objectives such as being able to standardize the measurements in printing work by adapting software and printing materials to existing paper formats.

These formats adapted to the regulations comply with a mathematical formula in which each of the paper formats, the measurements of its sides have a proportion such that if it is divided to the middle of its length, each of the halves continues to have the same Same relationship between its sides with the original sheet, achieving with this formula that the leftovers from the paper cuts can be used.

Within the measurements of the paper, there are two large classifications:

– European format : where the A, B and C series of the ISO 216 standard are included

– American format: where letter, legal and tabloid sizes are included.

The European format is the most used throughout the world, the North American is used mainly in the countries of the American continent.

Thanks to this standardization of paper dimensions, it is possible to unify the production and printing criteria, while also serving as a guide for professionals in related industries such as: publishing, advertising, office supplies.

Paper sizes

Within the paper sizes we find two large classifications: the European format and the North American format.

European format

-Series A paper size

This series was created at the beginning of the 20th century under the name of DIN 476 or DIN A. At present these formats are kept under the ISO 216 standard. The measurements included in this series are: A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10.

The series begins with A0 which has a measurement of one square meter. From here on, the following sizes are half of the previous measurement. So for example: A1 is half of A0, A2 is half of A1 and so on.

Formats ranging from A0 to A3 are used by the advertising and graphic industry for posters. On the other hand, sizes from A3 to A5 are used by the publishing industry for books, magazines, brochures and office supplies. Lastly, the smallest sizes that go from A7 to A10 are used to make cards.

-Paper size would be B

This series was created with the objective of providing sizes that were not found in the A series. The sizes of this series are less common than the previous series and the area of ​​its leaves is the geometric measure of the series A leaves. Example B1 has a size between A0 and A1.

The objective of this series is to collaborate with the increase and reduction of documents in which the enlargement from A to B is the same as B to A.

The dimensions of the B-series paper sizes, as defined by ISO 216, are given in the table below, both in millimeters and inches. The sizes are:

  • B0: 1000 x 1414 mm.
  • B1: 707 x 1000 mm.
  • B2: 500 x 707 mm.
  • B3: 353 x 500 mm.
  • B4: 250 x 353 mm.
  • B5: 176 x 250 mm.
  • B6: 125 x 176 mm.
  • B7: 88 x 125 mm.
  • B8: 62 x 88 mm.
  • B9: 44 x 62 mm.
  • B10: 31 x 44 mm.

-C series paper size

This series was created to set sizes that are used to create envelopes. The C series sizes are defined by the geometric meaning of the A and B series sizes with equal numbers. For example: dimensions C3 are the geometric mean between A3 and B3. (The geometric mean of a set of strictly positive numbers is the nth root of the product of the N elements)

With these calculations we will obtain a size between the two that make an envelope keep the A series paper the same size, for example a C3 envelope is perfect for a C3 sheet without having to fold the paper.

The C series sizes are as follows:

  • C0: 917 x 1297 mm.
  • C1: 648 x 917 mm.
  • C2: 458 x 648 mm.
  • C3: 324 x 458 mm.
  • C4: 229 x 324 mm.
  • C5: 229 x 324 mm.
  • C6: 114 x 162 mm.
  • C7: 81 x 114 mm.
  • C8: 57 x 81 mm.
  • C9: 40 x 57 mm.
  • C10: 28 x 40 mm.

North American format

In the United States, Canada, and other Latin American countries, a different format than the European one is used. The sizes used are called: legal, letter or letter, legal, tabloid.

The sizes of the letter and letter formats have similar measurements, so both are often used interchangeably. The same happens with the official and legal formats.

With regard to the tabloid format , the same is the one used for the production of printed newspapers in the continent. This is the size in general, most used around the world, since different countries choose this format for the printing of newspapers. In addition, it has a low cost of printing, since the page is smaller which means that less time is needed to go through the rotary printer.

These sizes are generally used to write letters and documents, let’s see the size of each of the models:

  • Legal: It is also called folio and has a size of 220 x 340 mm / 22 x 34 cm / 8.6 x 13.3 inches.
  • Letter : It is 220 x 280 mm / 22 x 28 cm / 8.6 x 11 inches in size. It is the closest to the A4 size of the European system.
  • Legal: Its size characteristics are 216 x 356 mm / 21.6 x 35.6 cm / 8.5 x 14 inches.
  • Tabloid : It has a size of 279.4 x 431.8 mm / 27.9 x 43.1 cm / 11 x 17 inches. This format is the one commonly used for printed newspapers.

The American system has formats and measures that are different from the international standard, better known as ISO 216 or European format. However, despite this, in many cases “equivalences” are often used, such as the use of letter size instead of A4 format (which is one of the most used in the world), although its measurements are not equal.

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