This handy illustration shows all the paper sizes from A0 to A8 and their dimensions in mm. I often find myself surfing the net to find such an illustration, so thought I would do one for myself. Hope you find it useful.
| Description | mm | inches |
| A0 | 1189 X 841 | 46.86 X 33.11 |
| A1 | 841 X 594 | 33.11 X 23.39 |
| A2 | 594 X 420 | 23.39 X 16.54 |
| A3 | 420 X 297 | 16.54 X 11.69 |
| A4 | 297 X 210 | 11.69 X 8.27 |
| A5 | 210 X 148 | 8.27 X 5.83 |
| A6 | 148 X 105 | 5.83 X 4.13 |
| A7 | 105 X 74 | 4.13 X 2.91 |
| A8 | 74 X 52 | 2.91 X 2.05 |
| A9 | 52 X 37 | 2.05 x 1.46 |
| A10 | 37 x 26 | 1.46 x 1.02 |