Pixel Converter

A Paper Sizes to Pixels

Convert ISO A-series paper sizes (A0 through A10) to pixel dimensions at any resolution. A4 is 794 × 1123px at 96 DPI.

All converters

96 DPI for screen, 150–300 for print.

A4 at 96 DPI

794 × 1123px

Formula

px = (mm ÷ 25.4) × DPI, per dimension (default DPI 96)

A series at 96 DPI

Every A-series size in pixels at the current resolution.

Sizemmpixels
A0841 × 11893179 × 4494
A1594 × 8412245 × 3179
A2420 × 5941587 × 2245
A3297 × 4201123 × 1587
A4210 × 297794 × 1123
A5148 × 210559 × 794
A6105 × 148397 × 559
A774 × 105280 × 397
A852 × 74197 × 280
A937 × 52140 × 197
A1026 × 3798 × 140

About the A Paper Sizes to Pixels conversion

The ISO 216 A series is the international standard for paper, from the large A0 (841 × 1189mm) down to A10. Each size is exactly half the previous one, so A4 is half of A3, and the aspect ratio stays constant at √2.

To get pixel dimensions, each side (defined in millimetres) is converted through inches at your chosen DPI: px = (mm / 25.4) × DPI. At the 96 DPI screen reference, A4 (210 × 297mm) becomes 794 × 1123px. For print, switch to 300 DPI to get 2480 × 3508px.

Pick a size and a resolution to get its exact width and height in pixels, and see the full A-series table update alongside — handy for setting up canvases, print templates, and export dimensions.

Related converters

px to emem to pxpx to remrem to pxpx to ptpt to px

A Paper Sizes to Pixels FAQs

A4 is 210 × 297mm. At the 96 DPI screen reference that is 794 × 1123px; at 300 DPI (print) it is 2480 × 3508px. Set the DPI field to your target resolution.
Each dimension in millimetres is divided by 25.4 to get inches, then multiplied by the DPI. So px = (mm / 25.4) × DPI for both width and height.
Use 300 DPI for high-quality print. 96 DPI matches on-screen CSS pixels. Choose the resolution that matches your output device.
The ISO 216 standard defines each size as half the area of the one before, achieved by halving the longer side. This keeps the √2 aspect ratio constant so scaling between sizes is distortion-free.