How to convert inches to mm
To convert inches to mm, multiply the value by 25.4 (or divide it by 0.03937).
inches to mm conversion table
| in | mm |
|---|---|
| 1 in | 25.4 mm |
| 2 in | 50.8 mm |
| 5 in | 127 mm |
| 10 in | 254 mm |
| 20 in | 508 mm |
| 25 in | 635 mm |
| 50 in | 1,270 mm |
| 75 in | 1,905 mm |
| 100 in | 2,540 mm |
| 250 in | 6,350 mm |
| 500 in | 12,700 mm |
| 1,000 in | 25,400 mm |
All inches to mm conversions
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Good to know
1 inch is defined as exactly 2.54 centimeters, and 1 foot equals 12 inches (0.3048 meters).
Frequently asked questions
How many millimeters are in 1 inch?
1 inch = 25.4 millimeters.
How do I convert inches to mm?
To convert inches to mm, multiply the value by 25.4 (or divide it by 0.03937).
How many inches are in 1 millimeter?
1 millimeter = 0.03937 inches.
Is the inches to mm converter free?
Yes. It is free, needs no sign-up and runs entirely in your browser.
mm to inches
Need the opposite direction? Use the mm to inches converter.