Paper size · A series
A3 size
A3 is 297 × 420mm (29.7 × 42cm, or 11.69 × 16.54 inches). It is used for small posters, menus, drawings, calendars, and two A4 pages side by side in a folded brochure. Twice A4. Folded in half, it makes an A4 four-page brochure.
A3 in every unit
| Millimetres | 297 × 420mm |
|---|---|
| Centimetres | 29.7 × 42cm |
| Inches | 11.69 × 16.54 inches |
| Pixels at 300 dpi (print) | 3508 × 4961px |
| Pixels at 150 dpi | 1754 × 2480px |
| Pixels at 72 dpi (screen) | 842 × 1191px |
Portrait, width first. Landscape is the same two numbers the other way round. Pixels are for setting up a file: at 300 dpi the print is sharp at arm’s length.
Printed at A3
Proofed before it prints, delivered Australia-wide
Common questions
How big is A3 in cm?
29.7 × 42cm. In millimetres, the unit the standard uses, 297 × 420mm.
What is A3 in inches?
11.69 × 16.54 inches.
What is A3 in pixels?
3508 × 4961 pixels at 300 dpi, the resolution for print. At 150 dpi it is 1754 × 2480, and at 72 dpi (screen) 842 × 1191.
What is A3 used for?
Small posters, menus, drawings, calendars, and two A4 pages side by side in a folded brochure. Twice A4. Folded in half, it makes an A4 four-page brochure.
Other sizes
| Size | Millimetres | Inches |
|---|---|---|
| A0 | 841 × 1189 | 33.11 × 46.81 |
| A1 | 594 × 841 | 23.39 × 33.11 |
| A2 | 420 × 594 | 16.54 × 23.39 |
| A3 | 297 × 420 | 11.69 × 16.54 |
| A4 | 210 × 297 | 8.27 × 11.69 |
| A5 | 148 × 210 | 5.83 × 8.27 |
| A6 | 105 × 148 | 4.13 × 5.83 |
| A7 | 74 × 105 | 2.91 × 4.13 |
| A8 | 52 × 74 | 2.05 × 2.91 |
| B0 | 1000 × 1414 | 39.37 × 55.67 |
| B1 | 707 × 1000 | 27.83 × 39.37 |
| B2 | 500 × 707 | 19.69 × 27.83 |
| B4 | 250 × 353 | 9.84 × 13.90 |
| B5 | 176 × 250 | 6.93 × 9.84 |
| DL | 99 × 210 | 3.90 × 8.27 |
| Foolscap | 203.2 × 330.2 | 8.00 × 13.00 |
| US Letter | 215.9 × 279.4 | 8.50 × 11.00 |
| US Legal | 215.9 × 355.6 | 8.50 × 14.00 |
Every size we print, with a calculator for any other: print sizes in Australia.
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