The standard paper formats in most of the world come from the formats defined in 1922 in the DIN 476 standard. The sheet of manufactured paper measures one meter square and the measure of its sides keep a proportion that when divided in half, each of the halves keep the same relationship between their sides as the original sheet. The idea of ​​this format is to try to make the most of the paper. In this way, when one size of paper is required, the manufacturer can cut without fear that the rest will be useless. In this article, we show you what the measurements are for the different paper formats.

DIN 4A0 AND DIN 2A0

4A0 2,378 × 1,682 mm. 4 m2 (3,999 m2) = Four square meters. 2A0 1,682 × 1,189 mm. 2 m2 (1,999 m2) = Two square meters.

DIN A0 AND DIN A1

A0 1,189 × 841 mm. 1 m2 (0.999 m2) = One square meter. It is often used for technical drawings, plans or posters. A1 841 × 594 mm. 0.5 m2 (0.499 m2) = Half a square meter. It is often used for drawings of all kinds (including technical), plans, posters, diagrams or the like.

DIN A2 AND DIN A3

A2 594 × 420 mm. 0.25 m2 (0.249 m2) = One quarter square meter. It is often used for drawings, posters, diagrams or the like. A3 420 × 297 mm. 0.12 m2 (0.124 m2) = One eighth of a square meter. It is used for drawings, small posters, diagrams, explanatory tables, flow charts.

DIN A4 (the most used)

A4 297 × 210 mm. 0.06 m2 (0.0623 m2) = One Sixteenth of a square meter. Similar to the traditional folio (somewhat shorter) it has come to replace it as the most common size paper used in daily life.

DIN A5 AND DIN A6

A5 210 × 148 mm. 0.03 m2 (0.0310 m2) = 1/32 of a square meter. It is the size similar to the traditional pastern. It is also used for books. A6 148 × 105 mm. 0.015 m2 (0.0155 m2) = 1/64 of a square meter. Use for postcards or paperbacks.

DIN A7, DIN A8, DIN A9 AND DIN A10

A7 105 × 74 mm. 0.007 m2 (0.0077 m2) = 1/128 of a square meter. A8 74 × 52 mm. 0.003 m2 (0.0038 m2) = 1/256 of a square meter. Similar to a business or credit card but somewhat shorter. A9 52 × 37 mm. 0.0019 m2 (0.00192 m2) = 1/512 of a square meter. A10 37 × 26 mm. 0.0009 m2 (0.00096 m2) = 1/1024 of a square meter.

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