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Paper Size

A Series

A Series Paper Size

The dimensions of the A series paper size, as defined by the ISO 216 standard, are given in the table to the right of the diagram in both millimetres and inches (cm measurements can be obtained by dividing mm value by 10). The A Series paper size chart, below left, gives a visual representation of how the sizes relate to each other – for example A5 is half of A4 size paper and A2 is half of A1 size paper.

SizeWidth x Height (mm)Width x Height (in)
4A01682 x 2378 mm66.2 x 93.6 in
2A01189 x 1682 mm46.8 x 66.2 in
A0841 x 1189 mm33.1 x 46.8 in
A1594 x 841 mm23.4 x 33.1 in
A2420 x 594 mm16.5 x 23.4 in
A3297 x 420 mm11.7 x 16.5 in
A4210 x 297 mm8.3 x 11.7 in
A5148 x 210 mm5.8 x 8.3 in
A6105 x 148 mm4.1 x 5.8 in
A774 x 105 mm2.9 x 4.1 in
A852 x 74 mm2.0 x 2.9 in
A937 x 52 mm1.5 x 2.0 in
A1026 x 37 mm1.0 x 1.5 in

a-series-paper-size

B Series

B Series Paper Size

The dimensions of the B series paper size, as defined by ISO 216, are given in the table below in both millimetres and inches (cm measurements can be obtained by dividing the mm value by 10). The B Series paper size chart is a visual explanation of how the B paper sizes relate to each other.

SizeWidth x Height (mm)Width x Height (in)
B01000 x 1414 mm39.4 x 55.7 in
B1707 x 1000 mm27.8 x 39.4 in
B2500 x 707 mm19.7 x 27.8 in
B3353 x 500 mm13.9 x 19.7 in
B4250 x 353 mm9.8 x 13.9 in
B5176 x 250 mm6.9 x 9.8 in
B6125 x 176 mm4.9 x 6.9 in
B788 x 125 mm3.5 x 4.9 in
B862 x 88 mm2.4 x 3.5 in
B944 x 62 mm1.7 x 2.4 in
B1031 x 44 mm1.2 x 1.7 in

b-series-paper-sizes

C Series Envelope

C Series Envelope Size

The dimensions of the C series envelope sizes, as defined by ISO 216, are given in the table below right in both millimetres and inches (cm measurements can be obtained by dividing the mm value by 10). The diagram below shows the size of each of the envelopes when compared to a sheet of A4 paper size

SizeWidth x Height (mm)Width x Height (in)
C0917 x 1297 mm36.1 x 51.5 in
C1648 x 917 mm25.5 x 36.1 in
C2458 x 648 mm18.0 x 25.5 in
C3324 x 458 mm12.8 x 18.0 in
C4229 x 324 mm9.0 x 12.8 in
C5162 x 229 mm6.4 x 9.0 in
C6114 x 162 mm4.5 x 6.4 in
C781 x 114 mm3.2 x 4.5 in
C857 x 81 mm2.2 x 3.2 in
C940 x 57 mm1.6 x 2.2 in
C1028 x 40 mm1.1 x 1.6 in

c-series-envelope-sizes

DL Envelope

One of the most widely used business envelopes, the DL format does not fall under the C series sizes as it has a different aspect ratio. This envelope originated in Germany in the 1920’s and was known as DIN Lang, but DL is now more commonly expanded to ‘Dimension Lengthwise’. This size is defined in the ISO standards for envelope sizes, as the standard would have been remiss in omitting the most commonly used business envelope size.

The dimensions of DL are 110 x 220 mm (4⅓” x 8⅔”) and as such the DL envelope will hold an A4 sheet of paper folded into 3 equal sections parallel to its shortest sides.

DL-envelope

For more information please refer to http://www.papersizes.org

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