RA3 size
305 × 430 mm · 12.01 × 16.93 in · 864.6 × 1218.9 pt
Where it comes from
Half of RA2: the RA2 sheet's long side (610 mm) halves and rounds down to 305 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 | 865 × 1219 | legacy screens |
| 96 | 1153 × 1625 | CSS reference |
| 150 | 1801 × 2539 | everyday print |
| 300 | 3602 × 5079 | quality print |
| 600 | 7205 × 10157 | fine art / line work |
The family
- Fold RA2 in half and you're holding RA3.
- Area: 0.1312 m².