B7 size
88 × 125 mm · 3.46 × 4.92 in · 249.4 × 354.3 pt
Where it comes from
Half of B6: the B6 sheet's long side (176 mm) halves and rounds down to 88 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 | 249 × 354 | legacy screens |
| 96 | 333 × 472 | CSS reference |
| 150 | 520 × 738 | everyday print |
| 300 | 1039 × 1476 | quality print |
| 600 | 2079 × 2953 | fine art / line work |