How to convert millimeters to inches
1 millimeter is equal to 0.03937007874 inches, and 1 inch is equal to 25.4 millimeters. To convert, multiply by the conversion factor:
inches = millimeters × 0.03937007874
inches = millimeters ÷ 25.4Example: convert 15 mm to in: 15 × 0.03937007874 = 0.5905511811 in.
Millimeter to Inch conversion table
| Millimeter (mm) | Inch (in) |
|---|---|
| 0.01 mm | 0.0003937007874 in |
| 0.1 mm | 0.003937007874 in |
| 1 mm | 0.03937007874 in |
| 2 mm | 0.07874015748 in |
| 3 mm | 0.1181102362 in |
| 5 mm | 0.1968503937 in |
| 10 mm | 0.3937007874 in |
| 20 mm | 0.7874015748 in |
| 50 mm | 1.968503937 in |
| 100 mm | 3.937007874 in |
| 250 mm | 9.842519685 in |
| 500 mm | 19.68503937 in |
| 1,000 mm | 39.37007874 in |
About the millimeter
A millimeter is one thousandth of a meter. It's the standard unit in engineering drawings, manufacturing, rainfall and screen and paper sizes.
Symbol: mm · 1 mm = 0.001 m · Category: Metric (SI)
About the inch
The inch is defined as exactly 2.54 cm. It's used in the US and UK for screen sizes, tools, construction and personal height.
Symbol: in · 1 in = 0.0254 m · Category: Imperial & US customary