How to convert millimeters to inches
Multiply the number of millimeters by 0.0393701:
inches = millimeters × 0.0393701
Going the other way, 1 inch = 25.4 millimeters, so divide inches by 0.0393701 (or multiply by 25.4) to get millimeters.
Example: 25 millimeters × 0.0393701 = 0.984252 inches.
Millimeters to inches conversion table
| Millimeters (mm) | Inches (in) |
|---|---|
| 1 | 0.0393701 |
| 2 | 0.0787402 |
| 3 | 0.11811 |
| 5 | 0.19685 |
| 10 | 0.393701 |
| 20 | 0.787402 |
| 25 | 0.984252 |
| 50 | 1.9685 |
| 100 | 3.937 |
| 500 | 19.685 |
| 1,000 | 39.3701 |
About these units
Millimeter (mm) and inch (in) are both units of length. Metric length units are based on the meter; US customary units (inch, foot, yard, mile) are defined in terms of it — an inch is exactly 25.4 mm.
Related conversions
centimeters to inches · inches to centimeters · inches to millimeters · meters to feet · feet to meters · kilometers to miles · miles to kilometers · yards to meters · meters to yards · all units