C8 size
57 × 81 mm · 2.24 × 3.19 in · 161.6 × 229.6 pt
Where it comes from
Half of C7: the C7 sheet's long side (114 mm) halves and rounds down to 57 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 | 162 × 230 | legacy screens |
| 96 | 215 × 306 | CSS reference |
| 150 | 337 × 478 | everyday print |
| 300 | 673 × 957 | quality print |
| 600 | 1346 × 1913 | fine art / line work |