| Format | A series[2] | B series[3] | C series[4] | |||
|---|---|---|---|---|---|---|
| Size | mm × mm | in × in | mm × mm | in × in | mm × mm | in × in |
| 0 | 841 × 1189 | 33.11 × 46.81 | 1000 × 1414 | 39.37 × 55.67 | 917 × 1297 | 36.10 × 51.06 |
| 1 | 594 × 841 | 23.39 × 33.11 | 707 × 1000 | 27.83 × 39.37 | 648 × 917 | 25.51 × 36.10 |
| 2 | 420 × 594 | 16.54 × 23.39 | 500 × 707 | 19.69 × 27.83 | 458 × 648 | 18.03 × 25.51 |
| 3 | 297 × 420 | 11.69 × 16.54 | 353 × 500 | 13.90 × 19.69 | 324 × 458 | 12.76 × 18.03 |
| 4 | 210 × 297 | 8.27 × 11.69 | 250 × 353 | 9.84 × 13.90 | 229 × 324 | 9.02 × 12.76 |
| 5 | 148 × 210 | 5.83 × 8.27 | 176 × 250 | 6.93 × 9.84 | 162 × 229 | 6.38 × 9.02 |
| 6 | 105 × 148 | 4.13 × 5.83 | 125 × 176 | 4.92 × 6.93 | 114 × 162 | 4.49 × 6.38 |
| 7 | 74 × 105 | 2.91 × 4.13 | 88 × 125 | 3.46 × 4.92 | 81 × 114 | 3.19 × 4.49 |
| 8 | 52 × 74 | 2.05 × 2.91 | 62 × 88 | 2.44 × 3.46 | 57 × 81 | 2.24 × 3.19 |
| 9 | 37 × 52 | 1.46 × 2.05 | 44 × 62 | 1.73 × 2.44 | 40 × 57 | 1.57 × 2.24 |
| 10 | 26 × 37 | 1.02 × 1.46 | 31 × 44 | 1.22 × 1.73 | 28 × 40 | 1.10 × 1.57 |
The tolerances specified in the standard are
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