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Paper Sizes

 

What are the standard paper sizes?

If you live in the USA you may be surprised to find that the rest of the world uses standard paper sizes that are different from what you assume to be standard. Paper size standards are set by the International Standardization Organization (ISO) along with many other standards including film speed and light measurement.

If you have about an hour to boggle your mind you can find out far more than you intended about paper sizes here: http://www.cl.cam.ac.uk/~mgk25/iso-paper.html

Standard paper sizes for printing are divided into A, B and C paper sizes. The A paper sizes, the most commonly used sizes for brochures, annual reports, magazines, books, catalogues and newsletters are as shown in the following tables. B and C formats are used in envelopes, notepads, books and newspapers. C sizes are primarily used in envelope manufacture to enclose A sized folded paper.

 

Metric

A Series
Formats

B Series
Formats

C Series
Formats

4A0 1682 x 2378 - - - -
2A0 1189 x 1682 - - - -
A0 841 x 1189 B0 1000 x 1414 C0 917 x 1297
A1 594 x 841 B1 707 x 1000 C1 648 x 917
A2 420 x 594 B2 500 x 707 C2 458 x 648
A3 297 x 420 B3 353 x 500 C3 324 x 458
A4 210 x 297 B4 250 x 353 C4 229 x 324
A5 148 x 210 B5 176 x 250 C5 162 x 229
A6 105 x 148 B6 125 x 176 C6 114 x 162
A7 74 x 105 B7 88 x 125 C7 81 x 114
A8 52 x 74 B8 62 x 88 C8 57 x 81
A9 37 x 52 B9 44 x 62 C9 40 x 57
A10 26 x 37 B10 31 x 44 C10 28 x 40

 

Imperial

A Series
Formats

B Series
Formats

C Series
Formats

4A0 66 1/4 x 93 5/8 - - - -
2A0 46 3/4 x 66 1/4 - - - -
A0 33 x 46 3/4 B0 39 3/8 x 55 3/4 C0 36 x 51
A1 23 3/8 x 33 B1 27 3/4 x 39 3/8 C1 25 1/2 x 36
A2 16 1/2 x 23 3/8 B2 19 3/4 x 27 3/4 C2 18 x 25 1/2
A3 11 3/4 x 16 1/2 B3 13 7/8 x 19 3/4 C3 12 3/4 x 18
A4 8 1/4 x 11 3/4 B4 9 7/8 x 13 7/8 C4 9 x 12 3/4
A5 5 7/8 x 8 1/4 B5 7 x 9 7/8 C5 6 3/8 x 9
A6 4 1/8 x 5 7/8 B6 4 7/8 x 7 C6 4 1/2 x 6 3/8
A7 2 7/8 x 4 1/8 B7 3 1/2 x 4 7/8 C7 3 3/16 x 4 1/2
A8 2 x 2 7/8 B8 2 1/2 x 3 1/2 C8 2 1/4 x 3 3/16
A9 1 1/2 x 2 B9 1 3/4 x 2 1/2 C9 1 5/8 x 2 1/4
A10 1 x 1 1/2 B10 1 1/4 x 1 3/4 C10 1 1/8 x 1 5/8

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