How to convert inches to millimeters
inches to millimeters Conversion Formula
inches (“) to Millimeters (mm) = 25.4mm
d(mm) = d(inch) × 25.4
Example
Convert 20 inches to millimeters:
d(mm) = 12″ × 25.4 = 304.8mm
inches (“) to centimeters (cm)=2.54cm
inches (“) to feet (ft) = 0.0328084ft
inches (“) to Meter (m) = 0.0254m
Conversion Table of inches to millimeters, meters, centimeters, feet
| SL | Inches (“) | MM | Feet | MTR | CM |
| 1 | 0.5 | 12.7 | 0.041667 | 0.0127 | 1.27 |
| 2 | 0.75 | 19.05 | 0.0625 | 0.01905 | 1.905 |
| 3 | 1 | 25.4 | 0.083333 | 0.0254 | 2.54 |
| 4 | 1.25 | 31.75 | 0.104166 | 0.03175 | 3.175 |
| 5 | 1.5 | 38.1 | 0.125 | 0.0381 | 3.81 |
| 6 | 2 | 50.8 | 0.166666 | 0.0508 | 5.08 |
| 7 | 2.5 | 63.5 | 0.208333 | 0.0635 | 6.35 |
| 8 | 3 | 76.2 | 0.249999 | 0.0762 | 7.62 |
| 9 | 3.5 | 88.9 | 0.291666 | 0.0889 | 8.89 |
| 10 | 4 | 101.6 | 0.333332 | 0.1016 | 10.16 |
| 11 | 4.5 | 114.3 | 0.374999 | 0.1143 | 11.43 |
| 12 | 5 | 127 | 0.416665 | 0.127 | 12.7 |
| 13 | 6 | 152.4 | 0.499998 | 0.1524 | 15.24 |
| 14 | 8 | 203.2 | 0.666664 | 0.2032 | 20.32 |
| 15 | 10 | 254 | 0.83333 | 0.254 | 25.4 |
| 16 | 12 | 304.8 | 0.999996 | 0.3048 | 30.48 |
| 17 | 14 | 355.6 | 1.166662 | 0.3556 | 35.56 |
| 18 | 16 | 406.4 | 1.333328 | 0.4064 | 40.64 |
| 19 | 18 | 457.2 | 1.499994 | 0.4572 | 45.72 |
| 20 | 20 | 508 | 1.66666 | 0.508 | 50.8 |
| 21 | 25 | 635 | 2.083325 | 0.635 | 63.5 |
| 22 | 30 | 762 | 2.49999 | 0.762 | 76.2 |
| 23 | 35 | 889 | 2.916655 | 0.889 | 88.9 |
| 24 | 40 | 1016 | 3.33332 | 1.016 | 101.6 |
| 25 | 50 | 1270 | 4.16665 | 1.27 | 127 |
| 26 | 60 | 1524 | 4.99998 | 1.524 | 152.4 |
| 27 | 70 | 1778 | 5.83331 | 1.778 | 177.8 |
| 28 | 80 | 2032 | 6.66664 | 2.032 | 203.2 |
| 29 | 90 | 2286 | 7.49997 | 2.286 | 228.6 |
| 30 | 100 | 2540 | 8.3333 | 2.54 | 254 |
Read more Metallic elements and alloys-densities
Inches to feet conversion table
Inches to meters conversion table
Inches to millimeters conversion table
Inches to centimeters conversion table
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