How to use this tool
- Type a value in millimeters — it's pre-selected above.
- Read the converted inches value instantly, or use the reference table below for common values at a glance.
- Click the ⇄ button to flip the conversion direction.
Millimeters to Inches reference table
| mm | in |
|---|---|
| 1 | 0.03937 |
| 5 | 0.19685 |
| 10 | 0.393701 |
| 20 | 0.787402 |
| 25.4 | 1 |
| 50 | 1.968504 |
| 100 | 3.937008 |
Frequently asked questions
- How many inches in 1 millimeter?
- 1 mm = 0.03937 in.
- How many millimeters in 1 inch?
- 1 in = 25.4 mm.
- Where does converting millimeters to inches actually come up?
- Common for small, precise measurements — screen bezels, screw and bolt sizes, and phone thickness specs are often given in millimeters.
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