Converters/Length
Inches to Millimeters Converter
Free online inches to millimeters converter. Multiply inches by 25.4 to get millimeters. 1 inch = 25.4 mm exactly.
How it works
Multiply inches by 25.4 to get millimeters. 1 inch = 25.4 mm exactly.
Related Converters
Inches to Millimeters Conversion Table
| Inches (in) | Millimeters (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 | 1,270 mm |
| 100 in | 2,540 mm |
| 250 in | 6,350 mm |
| 500 in | 12,700 mm |
| 1,000 in | 25,400 mm |
How the Conversion Works
Multiply inches by 25.4 to get millimeters. 1 inch = 25.4 mm exactly.
Going the other way: 1 mm = 0.03937 in. Enter a value in either field above and the converter runs the math in both directions instantly.