A4 vs A5
Dimensions, area and a same-scale visual comparison.
A4 vs A5
A4
210 × 297 mm
A5
148 × 210 mm
Width difference: 62 mm
Height difference: 87 mm
Area difference: 312.9 cm²
Relative area: 200.7% (A4 as a share of A5)
| Attribute | A4 | A5 |
|---|---|---|
| Dimensions (mm) | 210 × 297 | 148 × 210 |
| Dimensions (in) | 8.27 × 11.69 | 5.83 × 8.27 |
| Area | 623.7 cm² | 310.8 cm² |
| Aspect ratio | 1 : 1.414 | 1 : 1.419 |
| Standard / region | ISO 216 / International | ISO 216 / International |