Paper Size Converter
Convert A-series paper sizes to mm, inches, and pixels at any DPI.
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📊 Result Chart
About Paper Size Converter
Paper Size Converter is a free online tool that converts ISO A-series paper sizes (A0 through A10) to millimeters, inches, and pixels at any DPI setting. Perfect for printing, graphic design, and document preparation. All calculations run locally in your browser.
Paper Size Converter in 3 steps
- Enter the A-series number (0-10, e.g. 4 for A4)
- Optionally enter a DPI value (default 300)
- Click "Calculate" to see dimensions
Is this tool accurate?
Yes, dimensions follow the ISO 216 standard for A-series paper sizes.
What DPI should I use?
300 DPI is standard for print quality. Use 72 for screen/web, 150 for draft prints.