ISO 216 sizes
(mm × mm)

A Series
A0	841 × 1189
A1	594 × 841
A2	420 × 594
A3	297 × 420
A4	210 × 297
A5	148 × 210
A6	105 × 148
A7	74 × 105
A8	52 × 74
A9	37 × 52
A10	26 × 37
B Series
B0	1000 × 1414
B1	707 × 1000
B2	500 × 707
B3	353 × 500
B4	250 × 353
B5	176 × 250
B6	125 × 176
B7	88 × 125
B8	62 × 88
B9	44 × 62
B10	31 × 44
C Series
C0	917 × 1297
C1	648 × 917
C2	458 × 648
C3	324 × 458
C4	229 × 324
C5	162 × 229
C6	114 × 162
C7/6	81 × 162
C7	81 × 114
C8	57 × 81
C9	40 × 57
C10	28 × 40
DL	110 × 220

ISO 216 specifies international standard (ISO) paper sizes, used in most countries in the world today. It is the standard which defines the well-known A4 paper size.

The standard was originally adopted by DIN (as DIN 476) in Germany in 1922, although some of the formats contained therein were independently invented in France during its revolution and later forgotten.

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The single thing I prefer most about the UK compared to the US is the ISO 216 standard for paper sizes.
rvcx (Rob Shearer) Mon, 28 Dec 2009 19:09:06 -0000
The single thing I prefer most about the UK compared to the US is the ISO 216 standard for paper sizes.

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