Paper size
A0
- 841 × 1189 mm
- ISO A
A0 measures 841 × 1189 mm, or 33.11 × 46.81 inches. Its aspect ratio is 1.4138:1, close to √2, the property that makes each ISO size two of the next one down.
Dimensions
Millimetres841 × 1189 mm
Centimetres84.1 × 118.9 cm
Inches33.11 × 46.811 in
Points (72 dpi)2,383.9 × 3,370.4 ptthe PostScript/PDF unit
Area0.99995 m²999,949 mm²
Aspect ratio1.41379:1√2 is 1.41421
At common print resolutions
72 dpi2384 × 3370screen preview
150 dpi4967 × 7022draft print
300 dpi9933 × 14043standard print quality
600 dpi19866 × 28087high quality print
The ISO 216 series
SeriesISO A
Halving ruleCut the long side in half to get the next size downthe √2 ratio is what makes this preserve the shape
Sheets of A4 in this size16
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