Paper size · ISO A
A0 paper size
A0 Paper Size: 841 × 1189 mm, with inch and cm dimensions. Check proportions and common uses. Find the largest square for a paper craft.
841 × 1189 mm33.1102 × 46.811 inRatio 29:41 (1:1.414)
- Millimetres
- 841 × 1189 mm
- Centimetres
- 84.1 × 118.9 cm
- Inches · rounded to 4 decimals
- 33.1102 × 46.811 in
- Aspect ratio · width:height
- 29:41 (1:1.414)
Common uses
Large plans, exhibition drawings and wall posters leave room for detail on A0.
How it compares
Cut A0 across the middle of its long edge to get two A1 sheets. Whole-millimetre rounding can leave a 1 mm difference at a cut edge.
Cut a square for origami
The largest square from a flat rectangle this size is 841 × 841 mm (33.1102 × 33.1102 in). Fold one short edge against a long edge so their corners meet. Crease the diagonal, cut off the extra 348 mm strip, then open the triangle.
Try the beginner origami dog with your square, or see how to prepare square paper.