Publishing & media
Paper Size Converter & Visual Comparison
Convert a paper format to millimeters, inches, points, and pixels while comparing its physical size. Nothing you enter leaves your browser.
Enter your values, then calculate.
What this tool does
About the Paper Size Converter & Visual Comparison
Convert a paper format to millimeters, inches, points, and pixels while comparing its physical size. It helps translate production specifications into practical dimensions, durations, or file-size estimates.
The calculation uses primary paper size, compare with, orientation, custom width, custom height, and raster resolution.
How to use it
- Review the starting values for primary paper size, compare with, orientation and replace them with your own.
- Choose any available units or assumptions, then select “Compare paper sizes.”
- Read the labeled result, compare another scenario if needed, and copy the output for your notes.
Practical example
Start with a known input
The workbench starts with a complete scenario: Primary paper size: a4 Compare with: letter Orientation: portrait Custom width: 210 mm Change one assumption at a time to see how it affects the result.
What to know about the result
- ISO 8601 dates are least ambiguous when they include a timezone offset or the UTC designator Z.
- Results are estimates based only on the supplied values. Rounding, fees, local rules, and real-world conditions may change the final outcome.
Common questions
Using the Paper Size Converter & Visual Comparison
Is the Paper Size Converter & Visual Comparison free to use?
Yes. FormatCalc's Paper Size Converter & Visual Comparison is free to use with no account required.
Is my data private when I use the Paper Size Converter & Visual Comparison?
Yes. This tool processes your input locally in your browser. FormatCalc does not upload or store what you enter.
How do I use the Paper Size Converter & Visual Comparison?
Enter your values, select any units, and choose Compare paper sizes. You can then copy the result.
What should I check before using the result?
ISO 8601 dates are least ambiguous when they include a timezone offset or the UTC designator Z. Results are estimates based only on the supplied values. Rounding, fees, local rules, and real-world conditions may change the final outcome.