A0 Paper Size
A0 paper size measures 841 × 1189 mm. The Dimensions of A0 Paper are 33.11 by 46.81 inches, 84.1 by 118.9 centimetres, 9933 by 14043 pixels at 300 DPI, and 2384 by 3370 points. It is the base size of the ISO A series, and each smaller A size is A0 halved. Its most common use is technical drawings.
A0 measures 841 millimetres wide and 1189 millimetres tall.
Dimensions of A0 Paper
| Unit | Width | Height | Width × height | Copy |
|---|---|---|---|---|
| Millimetres (mm) | 841 | 1189 | 841 × 1189 mm | |
| Centimetres (cm) | 84.1 | 118.9 | 84.1 × 118.9 cm | |
| Metres (m) | 0.841 | 1.189 | 0.841 × 1.189 m | |
| Inches (in) | 33.11 | 46.81 | 33.11 × 46.81 in | |
| Feet (ft) | 2.76 | 3.9 | 2.76 × 3.9 ft | |
| Points (pt) | 2384 | 3370 | 2384 × 3370 pt | |
| Picas (pc) | 198.7 | 280.9 | 198.7 × 280.9 pc | |
| Pixels at 72 DPI | 2384 | 3370 | 2384 × 3370 px | |
| Pixels at 150 DPI | 4967 | 7022 | 4967 × 7022 px | |
| Pixels at 300 DPI | 9933 | 14043 | 9933 × 14043 px | |
| Pixels at 600 DPI | 19866 | 28087 | 19866 × 28087 px |
Pixel counts follow from the resolution: pixels = millimetres ÷ 25.4 × DPI. More on the DPI and pixels page.
A0 Paper Format
A0 folds in half to A1; nothing in the A Paper Sizes is larger. One A0 sheet tiles into 2 × A1, 4 × A2, 8 × A3, 16 × A4. Put A0 next to another size in the comparison tool.
A0 Size in Millimeters (mm)
A0 is 841 × 1189 mm (841 mm wide, 1189 mm tall). Millimetres are the base unit of ISO 216, so these are the exact figures paper mills and print shops cut to. Page-setup dialogs outside the US expect ISO A-series sizes entered in mm.
A0 Size in Centimeters (cm)
A0 is 84.1 × 118.9 cm. Centimetres are the handy unit for checking a sheet against a school ruler or giving a rough size; the figure is the millimetre value divided by ten.
A0 Size in Inches
A0 is 33.11 × 46.81 inches. Inches come up when A0 is opened in US-configured software or compared with Letter and Legal. One inch is fixed at 25.4 mm.
A0 Size in Pixels
At 300 DPI A0 is 9933 × 14043 px; at 72 DPI it is 2384 × 3370 px. Pixel dimensions are what you type into the new-document box in Photoshop, GIMP or Figma, and they scale with the DPI you choose.
A0 in Pixels at 72 DPI (Screen)
A0 is 2384 × 3370 px at 72 DPI. This is the legacy screen resolution, used for on-screen mockups, web previews and wireframes where physical print size is not the point.
A0 in Pixels at 300 DPI (Print)
A0 is 9933 × 14043 px at 300 DPI. 300 DPI is the print-quality benchmark, so set an A0 canvas to this pixel count for anything going to a commercial or a good home printer.
A0 Size in Points (pt)
A0 is 2384 × 3370 points. Points are the unit of PDF, InDesign and LaTeX page geometry, where 72 points make one inch. A page set to 2384 by 3370 pt exports as A0.
A0 Shape and Area
| Aspect ratio | 1 : 1.414 (√2) |
|---|---|
| Area | 1 m² · 999,949 mm² |
| Diagonal | 1456.4 mm · 57.34 in |
| ISO 216 tolerance | ± 3 mm each side |
| Governing standard | ISO 216:2007 |
Frequently Asked Questions
What is A0 Paper Size?
A piece of A0 paper measures 841 × 1189 mm (33.11 × 46.81 in). It is one of the ISO 216 A-series sizes, the largest in the series, with an area of one square metre.
What are the Uses of A0 Paper?
A0 is used for technical and architectural drawings, academic conference posters, wall planners and large org charts.
How long is a piece of A0 paper?
A0 is 1189 mm long on the longer edge and 841 mm on the shorter edge, which is 118.9 cm by 84.1 cm.
How long is A0 paper in inches?
The long edge of A0 is 46.81 inches and the short edge is 33.11 inches.
How long is a piece of A0 paper in cm?
A0 is 118.9 cm long by 84.1 cm wide.
A Paper Sizes
✓ Dimensions per ISO 216:2007; unit values derived by formula. Reviewed . Editorial Process →