Length
Inches to Millimetres Converter
1 in = 25.4 mm
25.4 mm
1 in = 25.4 mm
Inches to Millimetres conversion table
| Inches (in) | Millimetres (mm) |
|---|---|
| 1 | 25.4 |
| 2 | 50.8 |
| 5 | 127 |
| 10 | 254 |
| 25 | 635 |
| 50 | 1,270 |
| 100 | 2,540 |
| 250 | 6,350 |
| 500 | 12,700 |
| 1,000 | 25,400 |
How to convert inches to millimetres
Multiply the number of inches by 25.4 to get the equivalent in millimetres. The full converter above handles decimals, negative values and the reverse direction automatically.
Need the other way? Convert millimetres to inches.