Type a value to convert millimetres to inches instantly. This free converter shows the formula and a quick reference table, and the box works both ways — edit either side.
1 mm = 0.03937007874 in · Open the full converter →
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To convert millimetres to inches, multiply the millimetre value by 0.03937007874. So inches = millimetres × 0.03937007874. For example, 25 mm = 0.9842519685 in. To go the other way, divide by the same number.
| Millimetres (mm) | Inches (in) |
|---|---|
| 1 mm | 0.03937007874 in |
| 5 mm | 0.1968503937 in |
| 10 mm | 0.3937007874 in |
| 25 mm | 0.9842519685 in |
| 50 mm | 1.968503937 in |
| 100 mm | 3.937007874 in |
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