ISO 216 A-series and US Letter/Legal. Use to verify printable ruler or set calibration via A4 long edge (297 mm).
| Size | mm | cm | inches | px @300dpi |
|---|---|---|---|---|
| A0 | 841×1189 | 84.1×118.9 | 33.1×46.8 | 9933×14043 |
| A1 | 594×841 | 59.4×84.1 | 23.4×33.1 | 7016×9933 |
| A2 | 420×594 | 42.0×59.4 | 16.5×23.4 | 4960×7016 |
| A3 | 297×420 | 29.7×42.0 | 11.7×16.5 | 3508×4960 |
| A4 ⭐ | 210×297 | 21.0×29.7 | 8.27×11.69 | 2480×3508 |
| A5 | 148×210 | 14.8×21.0 | 5.83×8.27 | 1748×2480 |
| Letter | 215.9×279.4 | 21.59×27.94 | 8.5×11.0 | 2550×3300 |
| Legal | 215.9×355.6 | 21.59×35.56 | 8.5×14.0 | 2550×4200 |