Convert inch (in) to millimetre (mm) instantly
| Inches (in) | Millimetres (mm) |
|---|---|
| 0.001 in | 0.0254 mm |
| 0.01 in | 0.254 mm |
| 0.1 in | 2.54 mm |
| 0.5 in | 12.7 mm |
| 1 in | 25.4 mm |
| 2 in | 50.8 mm |
| 5 in | 127 mm |
| 10 in | 254 mm |
| 20 in | 508 mm |
| 50 in | 1270 mm |
| 100 in | 2540 mm |
| 200 in | 5080 mm |
| 500 in | 12700 mm |
| 1000 in | 25400 mm |
Length measurement spans from subatomic scales (nanometres, ångströms) to cosmic distances (light-years, astronomical units). The metric system (SI) uses the metre as its base unit, while the imperial system uses inches, feet, yards and miles.
Formula: mm = in × 25.4