Paper Size Converter
Calculate paper size from technical measurements.
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What this tool does
Calculate paper size from technical measurements. ISO A-series and standard North American paper sizes.
How to use the Paper Size Converter
- Enter or select paper standard.
- Read the calculated result; change any measurement to compare alternatives.
Formula
lookup standard dimensions in millimeters; inches=mm/25.4
- size
- Paper standard
ISO A-series and standard North American paper sizes.
Worked example
For paper size converter, the following measurements illustrate the exact method: Paper standard: a4.
Inputs
- Paper standardA4
Result
- Dimensions (mm)210 × 297
- Dimensions (inches)8.268 × 11.693
Results explained
- Dimensions (mm)
- Dimensions (mm) from the formula above. ISO A-series and standard North American paper sizes.
- Dimensions (inches)
- Dimensions (inches) from the formula above. ISO A-series and standard North American paper sizes.
Frequently asked questions
lookup standard dimensions in millimeters; inches=mm/25.4
ISO A-series and standard North American paper sizes.
Units appear in input and result labels. Keep lengths, pixel counts, bitrate and time units consistent.
Mathematical results follow the stated model; actual lenses, compression, viewing preferences and device specifications may differ.
No. It calculates from your entered values entirely in the browser.