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| inches (in) | millimeters (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 |
| 3 in | 76.2 mm |
| 5 in | 127 mm |
| 10 in | 254 mm |
| 20 in | 508 mm |
| 25 in | 635 mm |
| 50 in | 1270 mm |
| 100 in | 2540 mm |
| 250 in | 6350 mm |
| 500 in | 12700 mm |
| 1000 in | 25400 mm |
| 5000 in | 127000 mm |
| 10000 in | 254000 mm |
Type a value in inches in the converter above — the equivalent in millimeters is calculated instantly. 1 in equals 25.4 mm.
Multiply the value in inches by 25.4 to get the value in millimeters.
There are 25.4 millimeters in 1 in.