Assuming the sheets of paper are presented in "portrait mode", long edge vertical, and text running along the short dimension.
| Name of size | Width (mm) | Height (mm) | Width x height (decimal inches) | Width (fractional inches) | Height (fractional inches) |
|---|---|---|---|---|---|
| A3 | 297 | 420 | 11.69 x 16.54 | 11 + 88⁄127 | 16 + 68⁄127 |
| A4 | 210 | 297 | 8.27 x 11.69 | 8 + 34⁄127 | 11 + 88⁄127 |
| A5 | 148 | 210 | 5.83 x 8.27 | 5 + 105⁄127 | 8 + 34⁄127 |
| A6 | 105 | 148 | 4.13 x 5.83 | 4 + 17⁄127 | 5 + 105⁄127 |
| A7 | 74 | 105 | 2.91 x 4.13 | 2 + 116⁄127 | 4 + 17⁄127 |
| A8 | 52 | 74 | 2.05 x 2.91 | 2 + 6⁄127 | 2 + 116⁄127 |
| US Letter | 215.90 | 279.40 | 8.5 x 11 | 8 + ½ | 11 |
| Half of US Letter | 139.70 | 215.90 | 5.5 x 8.5 | 5 + ½ | 8 + ½ |
| Quarter of US Letter | 107.95 | 139.70 | 4.25 x 5.5 | 4 + ¼ | 5 + ½ |
One inch is exactly 25.4 mm, and one millimeter is about 0.039 or exactly 5/127 of an inch.
Each pixel size will be displayd as width x height. The metric size of 4 pixels per millimeter is equal to 101.6 pixels per inch.
| Physical size | 72 dpi | 75 dpi | 96 dpi | 100 dpi | 4 px/mm | 150 dpi | 200 dpi | 300 dpi | 600 dpi |
|---|---|---|---|---|---|---|---|---|---|
| A3 | 842 x 1191 | 877 x 1240 | 1123 x 1587 | 1169 x 1654 | 1188 x 1680 | 1754 x 2480 | 2339 x 3307 | 3508 x 4961 | 7016 x 9921 |
| A4 | 595 x 842 | 620 x 877 | 794 x 1123 | 827 x 1169 | 840 x 1188 | 1240 x 1754 | 1654 x 2339 | 2480 x 3508 | 4961 x 7016 |
| A5 | 420 x 595 | 437 x 620 | 559 x 794 | 583 x 827 | 592 x 840 | 874 x 1240 | 1165 x 1654 | 1748 x 2480 | 3496 x 4961 |
| A6 | 298 x 420 | 310 x 437 | 397 x 559 | 413 x 583 | 420 x 592 | 620 x 874 | 827 x 1165 | 1240 x 1748 | 2480 x 3496 |
| A7 | 210 x 298 | 219 x 310 | 280 x 397 | 291 x 413 | 296 x 420 | 437 x 620 | 583 x 827 | 874 x 1240 | 1748 x 2480 |
| A8 | 147 x 210 | 154 x 219 | 197 x 280 | 205 x 291 | 208 x 296 | 307 x 437 | 409 x 583 | 614 x 874 | 1228 x 1748 |
| US Letter | 612 x 792 | 638 x 825 | 816 x 1056 | 850 x 1100 | 864 x 1118 | 1275 x 1650 | 1700 x 2200 | 2550 x 3300 | 5100 x 6600 |
| Half-Letter | 396 x 612 | 412 x 638 | 528 x 816 | 550 x 850 | 559 x 864 | 825 x 1275 | 1100 x 1700 | 1650 x 2550 | 3300 x 5100 |
| Quarter-Letter | 306 x 396 | 319 x 412 | 408 x 528 | 425 x 550 | 432 x 559 | 638 x 825 | 850 x 1100 | 1275 x 1650 | 2550 x 3300 |
Created 2026-02-28, last modified 2026-02-28. Index.