C2 size
458 × 648 mm · 18.03 × 25.51 in · 1298.3 × 1836.9 pt
Where it comes from
Half of C1: the C1 sheet's long side (917 mm) halves and rounds down to 458 mm — ISO 216's halve-and-floor rule.
Source: Markus Kuhn — International standard paper sizes (CC BY 4.0)
Pixels at print resolutions
| DPI | Pixels (portrait) | Typical use |
|---|---|---|
| 72 | 1298 × 1837 | legacy screens |
| 96 | 1731 × 2449 | CSS reference |
| 150 | 2705 × 3827 | everyday print |
| 300 | 5409 × 7654 | quality print |
| 600 | 10819 × 15307 | fine art / line work |