Mm to Inches ConverterRight in Your Browser
Convert millimeters (mm) to inches (in). The millimeter (mm) is one thousandth of a meter, the precision unit for engineering, hardware and rainfall. The inch (in) is the small imperial length unit used in the US and UK for screens, paper and DIY measurements. Everything is calculated locally in your browser — no server, and it works offline.
0.0393701 in
in inches (inch)
To convert millimeters to inches, multiply the millimeter value by 0.0393701.
Switch to Inches to MmMm to Inches Chart
| Millimeters (mm) | Inches (in) |
|---|---|
| 1 | 0.0393701 |
| 2 | 0.0787402 |
| 3 | 0.11811 |
| 4 | 0.15748 |
| 5 | 0.19685 |
| 10 | 0.393701 |
| 20 | 0.787402 |
| 50 | 1.9685 |
| 100 | 3.93701 |
Frequently Asked Questions
How many inches are in a millimeter?
One millimeter equals 0.0393701 inches (1 mm = 0.0393701 in). So to go from millimeters to inches, multiply the millimeter value by 0.0393701.
What is the formula to convert millimeters to inches?
To convert millimeters to inches, multiply the millimeter value by 0.0393701. For example, 10 mm is 0.393701 in.
What is 85.6 millimeters in inches?
85.6 millimeters — the width of a credit card — is 3.37008 inches. The converter above works for any value, entirely in your browser.
Is the millimeter to inch conversion exact?
The factor used here is the defined value: 1 mm = 0.03937007874 in. Results are rounded to six significant digits for readability, so for high-precision work use the full factor.