Pixel size calculator
Print sizes in pixels
Find out what pixel dimensions you need for a particular paper size.
This site provides a free tool for artists, graphic designers, web designers and anyone needing to create digital work for print. Some software packages including many 3D packages only let you specify dimensions in pixels. Use this simple pixel size calculator to work out how large your canvas needs to be.
You can choose presets including A paper sizes (A0, A1, A2, A3, A4, A5, A6), B paper sizes, US paper sizes and more. Alternatively, enter the dimensions, your margin for the type area (the content area within any text should appear) and the bleed (the extra overprinted image that gets cut off by the printer). Lastly, enter the desired print resolution is dots per inch (DPI). Click calculate to find out the size of the document needed in pixels.
Paper size reference
Please note, all sizes may vary slightly, some by 1.5 - 3mm depending on size. Use the information on this site at your own risk.
ISO 216 A series paper sizes
A series paper sizes are some of the most popular in the world, with A4 paper being a standard for home printers and scanners. The dimensions are designed with an aspect ration of 1:1.4142 so that they double with each size - A3 is the same as two sheets of A4 joined together, A4 two sheets of A5 and so on.
| Size | millimeters | inches |
|---|---|---|
| A0 | 841mm x 1189mm | 33.1" x 46.8" |
| A1 | 594mm x 841mm | 23.4" x 33.1" |
| A2 | 420mm x 594mm | 16.5" x 23.4" |
| A3 | 297mm x 420mm | 11.7" x 16.5" |
| A4 | 210mm x 297mm | 8.3" x 11.7" |
| A5 | 148mm x 210mm | 5.8" x 8.3" |
| A6 | 105mm x 148mm | 4.1" x 5.8" |
| A7 | 74mm x 105mm | 2.9" x 4.1" |
| A8 | 52mm x 74mm | 2.0" x 2.9" |
| A9 | 37mm x 52mm | 1.5" x 2.0" |
| A10 | 26mm x 37mm | 1.0" x 1.5" |
ISO 216 B series paper sizes
B sizes are less popular, and are based on B0 being a metre wide. B5 is a common size for books, and the series is also used for envelopes and passports. Many posters and art prints are printed to approximate B sizes.
| Size | millimeters | inches |
|---|---|---|
| B0 | 1000mm x 1414mm | 39.4" x 55.7" |
| B1 | 707mm x 1000mm | 27.8" x 39.4" |
| B2 | 500mm x 707mm | 19.7" x 27.8" |
| B3 | 353mm x 500mm | 13.9" x 19.7" |
| B4 | 250mm x 353mm | 9.8" x 13.9" |
| B5 | 176mm x 250mm | 6.9" x 9.8" |
| B6 | 125mm x 176mm | 4.9" x 6.9" |
| B7 | 88mm x 125mm | 3.5" x 4.9" |
| B8 | 62mm x 88mm | 2.4" x 3.5" |
| B9 | 44mm x 62mm | 1.7" x 2.4" |
| B10 | 31mm x 44mm | 1.2" x 1.7" |
ISO 269 C series envelope sizes
ISO 269 C envelope sizes were introduced in 1985, and each numbered size is slightly bigger than it's "A" counterpart. For example, a C5 envelope will fit an A5 piece of paper without the need to fold it.
| Size | millimeters | inches |
|---|---|---|
| C0 | 917mm x 1297mm | 36.1" x 51.1" |
| C1 | 648mm x 917mm | 25.5" x 36.1" |
| C2 | 458mm x 648mm | 18.0" x 25.5" |
| C3 | 324mm x 458mm | 12.8" x 18.0" |
| C4 | 229mm x 324mm | 9.0" x 12.8" |
| C5 | 162mm x 229mm | 6.4" x 9.0" |
| C6 | 114mm x 162mm | 4.5" x 6.4" |
| C7 | 81mm x 114mm | 3.2" x 4.5" |
| C8 | 57mm x 81mm | 2.2" x 3.2" |
| C9 | 40mm x 57mm | 1.6" x 2.2" |
| C10 | 28mm x 40mm | 1.1" x 1.6" |