When placed side by side, the A3 Paper and A4 Paper reveal a clear story. In terms of height, the A3 Paper stands at 420.0 mm while the A4 Paper measures 297.0 mm. The A3 Paper is 123.0 mm taller. Looking at width, the A3 Paper is 297.0 mm across versus the A4 Paper's 210.0 mm. The A3 Paper is 87.0 mm wider.
| Metric | A3 Paper | A4 Paper | Diff |
|---|---|---|---|
| Width | 297.0 mm | 210.0 mm | +87.0 mm |
| Height | 420.0 mm | 297.0 mm | +123.0 mm |
| Depth | 0.1 mm | 0.1 mm | 0.0 mm |
| Weight | N/A | N/A | - |