| Inches (in) | Millimeters (mm) |
|---|---|
| 0.01 | 0.254 |
| 1/16 | 1.5875 |
| 1/8 | 3.175 |
| 1/4 | 6.35 |
| 1/2 | 12.7 |
| 1 | 25.4 |
| 2 | 50.8 |
| 5 | 127 |
| 10 | 254 |
| 20 | 508 |
| 50 | 1270 |
| 100 | 2540 |
Easily convert inches to millimeters (mm) and mm to inches with this free online tool. Enter your value in inches or mm and get instant, accurate results with calculation steps and a handy conversion table.
1 inch = 25.4 mm
To convert inches to mm, multiply by 25.4.mm = inch × 25.4
1 mm = 0.03937 inch
To convert mm to inches, divide by 25.4.inch = mm ÷ 25.4
An inch (in or ") is a unit of length in the imperial and US customary systems. 1 inch = 1/12 foot = 2.54 cm = 25.4 mm.
A millimeter (mm) is a metric unit of length. 1 mm = 0.1 cm = 1/1000 meter = 0.03937 inch.