Inches to Millimeter Conversion
- 25.4mm = 1 inch.
- To calculate: Multiply 25.4 x Diameter or Length (in inches) = mm.
- Example: 25.4" x 4.5" = 114.3 mm.
| Inches | Millimeters |
|---|---|
| 0.005" | 0.12 mm |
| 0.010" | 0.25 mm |
| 0.015" | 0.38 mm |
| 0.020" | 0.50 mm |
| 0.025" | 0.64 mm |
| 0.030" | 0.76 mm |
| 0.035" | 0.89 mm |
| 0.040" | 1.00 mm |
| 0.045" | 1.14 mm |
| 0.050" | 1.27 mm |
| 0.055" | 1.40 mm |
| 0.060" | 1.52 mm |
| 0.065" | 1.65 mm |
| 0.070" | 1.78 mm |
| 0.075" | 1.90 mm |
| 0.080" | 2.03 mm |
| 0.085" | 2.16 mm |
| 0.090" | 2.29 mm |
| 0.100" | 2.54 mm |
| 0.125" | 3.18 mm |
| 0.157" | 4 mm |
| 0.1719" | 4.37 mm |
| 0.1875" | 4.76 mm |
| 0.236" | 6 mm |
| 0.250" | 6.35 mm |
| 0.375" | 9.53 mm |
| 0.500" | 12.7 mm |
| 0.5625" | 14.29 mm |
| 0.750" | 19.05 mm |
| 2.0" | 50 mm |
| 4.5" | 114.3 mm |
| 6.5" | 165 mm |