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) |
|---|---|---|---|
| 318.0 mm | 12.5197 in | 320.5 mm | 12.6181 in |
| 318.1 mm | 12.5236 in | 320.6 mm | 12.6220 in |
| 318.2 mm | 12.5276 in | 320.7 mm | 12.6260 in |
| 318.3 mm | 12.5315 in | 320.8 mm | 12.6299 in |
| 318.4 mm | 12.5354 in | 320.9 mm | 12.6339 in |
| 318.5 mm | 12.5394 in | 321.0 mm | 12.6378 in |
| 318.6 mm | 12.5433 in | 321.1 mm | 12.6417 in |
| 318.7 mm | 12.5472 in | 321.2 mm | 12.6457 in |
| 318.8 mm | 12.5512 in | 321.3 mm | 12.6496 in |
| 318.9 mm | 12.5551 in | 321.4 mm | 12.6535 in |
| 319.0 mm | 12.5591 in | 321.5 mm | 12.6575 in |
| 319.1 mm | 12.5630 in | 321.6 mm | 12.6614 in |
| 319.2 mm | 12.5669 in | 321.7 mm | 12.6654 in |
| 319.3 mm | 12.5709 in | 321.8 mm | 12.6693 in |
| 319.4 mm | 12.5748 in | 321.9 mm | 12.6732 in |
| 319.5 mm | 12.5787 in | 322.0 mm | 12.6772 in |
| 319.6 mm | 12.5827 in | 322.1 mm | 12.6811 in |
| 319.7 mm | 12.5866 in | 322.2 mm | 12.6850 in |
| 319.8 mm | 12.5906 in | 322.3 mm | 12.6890 in |
| 319.9 mm | 12.5945 in | 322.4 mm | 12.6929 in |
| 320.0 mm | 12.5984 in | 322.5 mm | 12.6969 in |
| 320.1 mm | 12.6024 in | 322.6 mm | 12.7008 in |
| 320.2 mm | 12.6063 in | 322.7 mm | 12.7047 in |
| 320.3 mm | 12.6102 in | 322.8 mm | 12.7087 in |
| 320.4 mm | 12.6142 in | 322.9 mm | 12.7126 in |