1 in
5 in
10 in
100 in
Inches (in) and millimeters (mm) are units of length measurement used in different systems:
To convert inches to millimeters:
Millimeters = Inches × 25.4
To convert millimeters to inches:
Inches = Millimeters ÷ 25.4
Inches are commonly used in:
Millimeters are commonly used in:
0 in
0 mm
This conversion is based on the standard ratio: 1 inch = 25.4 millimeters
| Inches (in) | Millimeters (mm) | Inches (in) | Millimeters (mm) |
|---|---|---|---|
| 0.1 in | 2.5 mm | 15.1 in | 383.5 mm |
| 1.1 in | 27.9 mm | 16.1 in | 408.9 mm |
| 2.1 in | 53.3 mm | 17.1 in | 434.3 mm |
| 3.1 in | 78.7 mm | 18.1 in | 459.7 mm |
| 4.1 in | 104.1 mm | 19.1 in | 485.1 mm |
| 5.1 in | 129.5 mm | 20.1 in | 510.5 mm |
| 6.1 in | 154.9 mm | 21.1 in | 535.9 mm |
| 7.1 in | 180.3 mm | 22.1 in | 561.3 mm |
| 8.1 in | 205.7 mm | 23.1 in | 586.7 mm |
| 9.1 in | 231.1 mm | 24.1 in | 612.1 mm |
| 10.1 in | 256.5 mm | 25.1 in | 637.5 mm |
| 11.1 in | 281.9 mm | 26.1 in | 662.9 mm |
| 12.1 in | 307.3 mm | 27.1 in | 688.3 mm |
| 13.1 in | 332.7 mm | 28.1 in | 713.7 mm |
| 14.1 in | 358.1 mm | 29.1 in | 739.1 mm |