Inches to Millimeters
Convert inches to mm instantly. Conversion table, formula, and free calculator for inches to millimeters.
1 in = 25.4 mm
1 Inch equals 25.4 Millimeters
Formula
mm = in × 25.4
Conversion Table
| Inch (in) | Millimeter (mm) |
|---|---|
| 0.5 in | 12.7 mm |
| 1 in | 25.4 mm |
| 1.5 in | 38.1 mm |
| 2 in | 50.8 mm |
| 3 in | 76.2 mm |
| 4 in | 101.6 mm |
| 5 in | 127 mm |
| 6 in | 152.4 mm |
| 8 in | 203.2 mm |
| 12 in | 304.8 mm |
How to Convert Inchs to Millimeters
To convert from inchs (in) to millimeters (mm), multiply the value by 25.4. For example, 0.5 in × 25.4 = 12.7 mm.
This conversion is part of the Length category. You can use our interactive unit converter to convert any value between 13 different length units with instant results.
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