1 mm
10 mm
25.4 mm
100 mm
Millimeters (mm) and inches (in) are units of length measurement used in different systems:
To convert millimeters to inches:
Inches = Millimeters ÷ 25.4
To convert inches to millimeters:
Millimeters = Inches × 25.4
Millimeters are commonly used in:
Inches are commonly used in:
Type your measurement in millimeters in the input field.
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0 mm
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This conversion is based on the standard ratio: 1 inch = 25.4 millimeters
| Millimeters (mm) | Inches (in) | Millimeters (mm) | Inches (in) |
|---|---|---|---|
| 311.0 mm | 12.2441 in | 313.5 mm | 12.3425 in |
| 311.1 mm | 12.2480 in | 313.6 mm | 12.3465 in |
| 311.2 mm | 12.2520 in | 313.7 mm | 12.3504 in |
| 311.3 mm | 12.2559 in | 313.8 mm | 12.3543 in |
| 311.4 mm | 12.2598 in | 313.9 mm | 12.3583 in |
| 311.5 mm | 12.2638 in | 314.0 mm | 12.3622 in |
| 311.6 mm | 12.2677 in | 314.1 mm | 12.3661 in |
| 311.7 mm | 12.2717 in | 314.2 mm | 12.3701 in |
| 311.8 mm | 12.2756 in | 314.3 mm | 12.3740 in |
| 311.9 mm | 12.2795 in | 314.4 mm | 12.3780 in |
| 312.0 mm | 12.2835 in | 314.5 mm | 12.3819 in |
| 312.1 mm | 12.2874 in | 314.6 mm | 12.3858 in |
| 312.2 mm | 12.2913 in | 314.7 mm | 12.3898 in |
| 312.3 mm | 12.2953 in | 314.8 mm | 12.3937 in |
| 312.4 mm | 12.2992 in | 314.9 mm | 12.3976 in |
| 312.5 mm | 12.3031 in | 315.0 mm | 12.4016 in |
| 312.6 mm | 12.3071 in | 315.1 mm | 12.4055 in |
| 312.7 mm | 12.3110 in | 315.2 mm | 12.4094 in |
| 312.8 mm | 12.3150 in | 315.3 mm | 12.4134 in |
| 312.9 mm | 12.3189 in | 315.4 mm | 12.4173 in |
| 313.0 mm | 12.3228 in | 315.5 mm | 12.4213 in |
| 313.1 mm | 12.3268 in | 315.6 mm | 12.4252 in |
| 313.2 mm | 12.3307 in | 315.7 mm | 12.4291 in |
| 313.3 mm | 12.3346 in | 315.8 mm | 12.4331 in |
| 313.4 mm | 12.3386 in | 315.9 mm | 12.4370 in |