User:DCDuring/Paper sizes
| Name | in × in | mm × mm | Ratio |
|---|---|---|---|
| Emperor | 48 × 72 | 1219 × 1829 | 1.5 |
| Antiquarian | 31 × 53 | 787 × 1346 | 1.7097 |
| Grand eagle | 28¾ × 42 | 730 × 1067 | 1.4609 |
| Double elephant | 26¾ × 40 | 678 × 1016 | 1.4984 |
| Atlas* | 26 × 34 | 660 × 864 | 1.3077 |
| Colombier | 23½ × 34½ | 597 × 876 | 1.4681 |
| Double demy | 22½ × 35½ | 572 × 902 | 1.5(7) |
| Imperial* | 22 × 30 | 559 × 762 | 1.3636 |
| Double large post | 21 × 33 | 533 × 838 | 1.5713 |
| Elephant* | 23 × 28 | 584 × 711 | 1.2174 |
| Princess | 21½ × 28 | 546 × 711 | 1.3023 |
| Cartridge | 21 × 26 | 533 × 660 | 1.2381 |
| Royal* | 20 × 25 | 508 × 635 | 1.25 |
| Sheet, half post | 19½ × 23½ | 495 × 597 | 1.2051 |
| Double post | 19 × 30½ | 483 × 762 | 1.6052 |
| Super royal | 19 × 27 | 483 × 686 | 1.4203 |
| Medium* | 17½ × 23 | 470 × 584 | 1.2425 |
| Demy* | 17½ × 22½ | 445 × 572 | 1.2857 |
| Large post | 16½ × 21 | 419 × 533 | 1.(27) |
| Copy draught | 16 × 20 | 406 × 508 | 1.25 |
| Large post | 15½ × 20 | 394 × 508 | 1.2903 |
| Post* | 15½ × 19¼ | 394 × 489 | 1.2419 |
| Crown* | 15 × 20 | 381 × 508 | 1.(3) |
| Pinched post | 14¾ × 18½ | 375 × 470 | 1.2533 |
| Foolscap* | 13½ × 17 | 343 × 432 | 1.2593 |
| Small foolscap | 13¼ × 16½ | 337 × 419 | 1.2453 |
| Brief | 13½ × 16 | 343 × 406 | 1.1852 |
| Pott | 12½ × 15 | 318 × 381 | 1.2 |
* The sizes marked with an asterisk are still in use in the United States.