SRA2 size

450 × 640 mm · 17.72 × 25.2 in · 1275.6 × 1814.2 pt

Where it comes from

Half of SRA1: the SRA1 sheet's long side (900 mm) halves and rounds down to 450 mm — ISO 216's halve-and-floor rule.

Source: Markus Kuhn — International standard paper sizes (CC BY 4.0)

Pixels at print resolutions

DPIPixels (portrait)Typical use
721276 × 1814legacy screens
961701 × 2419CSS reference
1502657 × 3780everyday print
3005315 × 7559quality print
60010630 × 15118fine art / line work

The family

  • Fold SRA1 in half and you're holding SRA2.
  • Fold SRA2 in half and you get SRA3 — two of those side by side rebuild this sheet.
  • Area: 0.288 m².
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