Each numbered A size is exactly half the size of the previous one. If you cut a sheet of A4 paper in half along its longest side, you will end up with two sheets of A5.
|
Format |
Width x height – inches |
Width x height – mm |
|
A1 |
33.1 x 23.4 inches |
841 x 594 mm |
|
A2 |
23.4 x 16.5 inches |
594 x 420 mm |
|
A3 |
16.5 x 11.7 inches |
420 x 297 mm |
|
A4 |
11.7 x 8.3 inches |
297 x 210 mm |
