A3 vs Tabloid
Dimensions, area and a same-scale visual comparison.
A3 vs Tabloid
A3
297 × 420 mm
Tabloid
279.4 × 431.8 mm
Width difference: 17.6 mm
Height difference: 11.8 mm
Area difference: 40.95 cm²
Relative area: 103.4% (A3 as a share of Tabloid)
| Attribute | A3 | Tabloid |
|---|---|---|
| Dimensions (mm) | 297 × 420 | 279.4 × 431.8 |
| Dimensions (in) | 11.69 × 16.54 | 11 × 17 |
| Area | 1,247.4 cm² | 1,206.45 cm² |
| Aspect ratio | 1 : 1.414 | 1 : 1.545 |
| Standard / region | ISO 216 / International | North American customary / North America |