| Width (*) | 297 mm |
| Height (*) | 420 mm |
| Standard | A Series |
| Half-Size | Cutting it in half will create two A4 sheets of paper. |
| Envelope |
An A3 sheet of paper will fit into a C3 envelope. When folded in half, it will fit into a C4 envelope. |
(*) Subject to orientation
Click the diagram to see an animation representing the size relationship between A3 and A4 formats.
A3
A4
| Unit | Width | Height |
|---|---|---|
| Millimeters (mm) | 297 | 420 |
| Centimeters (cm) | 29.7 | 42.0 |
| Meters (m) | 0.3 | 0.42 |
| Inches (in) | 11.693 | 16.535 |
| Points (pt) | 841.89 | 1190.55 |
| Picas (pc) | 70.16 | 99.21 |
| Pixels @ 72 DPI | 842 | 1191 |
| Pixels @ 96 DPI | 1123 | 1587.4 |
| Pixels @ 300 DPI | 3508 | 4961 |