A8 size

52 × 74 mm · 2.05 × 2.91 in · 147.4 × 209.8 pt

Where it comes from

Half of A7: the A7 sheet's long side (105 mm) halves and rounds down to 52 mm — ISO 216's halve-and-floor rule.

Derived from the ISO 216 construction — no lookup required, only arithmetic.

Pixels at print resolutions

DPIPixels (portrait)Typical use
72147 × 210legacy screens
96197 × 280CSS reference
150307 × 437everyday print
300614 × 874quality print
6001228 × 1748fine art / line work

The family

  • Fold A7 in half and you're holding A8.
  • Fold A8 in half and you get A9 — two of those side by side rebuild this sheet.
  • Area: 0.0038 m² — an 80 gsm sheet weighs 0.3 g.
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