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Inches to MM Converter
Convert length from inches (in) to millimeters (mm) instantly
Formula: millimeters = inches × 25.4
Quick Conversions
1/8 in = 3.175 mm
1/4 in = 6.35 mm
1/2 in = 12.7 mm
1 in = 25.4 mm
2 in = 50.8 mm
3 in = 76.2 mm
6 in = 152.4 mm
12 in = 304.8 mm
Inches to MM Conversion Table
| Inches (in) | Millimeters (mm) | Common Use |
|---|---|---|
| 1/16 | 1.5875 | Fine precision |
| 1/8 | 3.175 | Small parts |
| 1/4 | 6.35 | Standard bolt |
| 3/8 | 9.525 | Medium bolt |
| 1/2 | 12.7 | Large bolt |
| 3/4 | 19.05 | Pipe fitting |
| 1 | 25.4 | Standard unit |
| 2 | 50.8 | Construction |
| 6 | 152.4 | Tools |
| 12 | 304.8 | 1 foot |