B1 size
707 × 1000 mm · 27.83 × 39.37 in · 2004.1 × 2834.6 pt
Where it comes from
Half of B0: the B0 sheet's long side (1414 mm) halves and rounds down to 707 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 | 2004 × 2835 | legacy screens |
| 96 | 2672 × 3780 | CSS reference |
| 150 | 4175 × 5906 | everyday print |
| 300 | 8350 × 11811 | quality print |
| 600 | 16701 × 23622 | fine art / line work |