Paper Size Calculator
The Paper Size Calculator shows the millimeter dimensions of standard paper sizes — A0 through A7, B5, Letter, Legal, and Tabloid — along with the required pixel size at your chosen DPI.
How to use
- 1Choose a paper size.
- 2Choose the orientation (portrait/landscape) and DPI.
- 3See the mm dimensions and the required pixel size.
Why FREE PDF?
- Completely free
- No account required
- Processing happens in your browser whenever possible
- Your files stay yours
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Frequently Asked Questions
How many pixels is A4?
A4 (210×297 mm) is approximately 2480×3508 pixels at 300 DPI.
Which paper sizes are supported?
Standard sizes from A0 to A7, plus B5, Letter, Legal, and Tabloid are supported.
Can I see the pixel equivalent for a different DPI value?
Yes, changing the DPI value shows the pixel equivalent of the same paper size at different resolutions.
Is landscape orientation supported?
Yes, choosing portrait or landscape swaps the width/height values in the result accordingly.