Origin is at the lower left and the basic unit is the DTP pt.
1 pt = 1/72 inch = 0.35277777778 mm
| Format | Width | Height |
US-Letter | 612 | 792 |
US-Legal | 612 | 1008 |
US-Ledger | 1224 | 792 |
11x17 | 792 | 1224 |
A0 | 2380 | 3368 |
A1 | 1684 | 2380 |
A2 | 1190 | 1684 |
A3 | 842 | 1190 |
A4 | 595 | 842 |
A5 | 421 | 595 |
A6 | 297 | 421 |
B5 | 501 | 709 |