1 millimeter equals 0.039370079 in. Type any number — or a calculation — and the answer updates instantly.
1 mm = 0.0393701 in · type math like (12*4)+6.5
| mm | in |
|---|---|
| 1 | 0.039370079 |
| 2 | 0.078740157 |
| 3 | 0.11811024 |
| 5 | 0.19685039 |
| 10 | 0.39370079 |
| 20 | 0.78740157 |
| 25 | 0.98425197 |
| 50 | 1.9685039 |
| 100 | 3.9370079 |
| 500 | 19.685039 |
| 1 000 | 39.370079 |
in = mm × 0.03937007874
Going the other way: 1 in = 25.4 mm.
The full length converter covers 11 units side by side, with expressions, history and one-tap copy.
Open the length converter →