in → mm converter with instant results
| Inches (in) | Millimeters (mm) |
|---|---|
| 0.01 in | 0.254 mm |
| 0.1 in | 2.54 mm |
| 0.25 in | 6.35 mm |
| 0.5 in | 12.7 mm |
| 1 in | 25.4 mm |
| 2 in | 50.8 mm |
| 5 in | 127.00 mm |
| 10 in | 254.00 mm |
| 25 in | 635.00 mm |
| 50 in | 1270.00 mm |
| 100.00 in | 2540.00 mm |
| 250.00 in | 6350.00 mm |
| 500.00 in | 12700.00 mm |
| 1000.00 in | 25400.00 mm |
To convert inches to millimeters: Multiply by 25.4.
The conversion factor is: 1 in = 25.4 mm. Conversely, 1 mm = 0.03937 in.
The inch (in) is a unit of length. It is part of the imperial/US customary system, commonly used in the United States.