About
Overview of the site and how to use it
Papersize provides quick lookups for paper dimensions and unit conversions. You can browse international and regional series, view detailed measurements, and convert between common units.
What you can do
- Browse standard series such as ISO A/B/C and regional formats.
- See measurements in millimeters, centimeters, inches, points, picas and pixels.
- Check derived data such as aspect ratio, perimeter, diagonal and area.
- Convert values between length and area units.
Data and accuracy
Sizes are compiled from public standards and widely used references. While we aim for accuracy, variations may exist between manufacturers and print practices. Always verify critical dimensions for production use.
Accessibility and performance
The site aims to be fast and accessible across devices with a responsive layout and clear typography.
Contact
If you have suggestions or find an error, please reach out via the links in the page footer.