ANSI A vs A4
Dimensions, area and a same-scale visual comparison.
ANSI A vs A4
ANSI A
215.9 × 279.4 mm
A4
210 × 297 mm
Width difference: 5.9 mm
Height difference: 17.6 mm
Area difference: 20.48 cm²
Relative area: 96.7% (ANSI A as a share of A4)
| Attribute | ANSI A | A4 |
|---|---|---|
| Dimensions (mm) | 215.9 × 279.4 | 210 × 297 |
| Dimensions (in) | 8.5 × 11 | 8.27 × 11.69 |
| Area | 603.22 cm² | 623.7 cm² |
| Aspect ratio | 1 : 1.294 | 1 : 1.414 |
| Standard / region | ANSI/ASME Y14.1 / North America | ISO 216 / International |