A10 size
26 × 37 mm · 1.02 × 1.46 in · 73.7 × 104.9 pt
Where it comes from
Half of A9: the A9 sheet's long side (52 mm) halves and rounds down to 26 mm — ISO 216's halve-and-floor rule.
Derived from the ISO 216 construction — no lookup required, only arithmetic.
Pixels at print resolutions
| DPI | Pixels (portrait) | Typical use |
|---|---|---|
| 72 | 74 × 105 | legacy screens |
| 96 | 98 × 140 | CSS reference |
| 150 | 154 × 219 | everyday print |
| 300 | 307 × 437 | quality print |
| 600 | 614 × 874 | fine art / line work |
The family
- Fold A9 in half and you're holding A10.
- Area: 0.001 m² — an 80 gsm sheet weighs 0.08 g.