Mm to Cm ConverterRight in Your Browser
Convert millimeters (mm) to centimeters (cm). The millimeter (mm) is one thousandth of a meter, the precision unit for engineering, hardware and rainfall. The centimeter (cm) is the go-to metric unit for body height, clothing and furniture measurements outside the US. Everything is calculated locally in your browser — no server, and it works offline.
0.1 cm
in centimeters (centimeter)
To convert millimeters to centimeters, multiply the millimeter value by 0.1.
Switch to Cm to MmMm to Cm Chart
| Millimeters (mm) | Centimeters (cm) |
|---|---|
| 1 | 0.1 |
| 2 | 0.2 |
| 3 | 0.3 |
| 4 | 0.4 |
| 5 | 0.5 |
| 10 | 1 |
| 20 | 2 |
| 50 | 5 |
| 100 | 10 |
Frequently Asked Questions
How many centimeters are in a millimeter?
One millimeter equals 0.1 centimeters (1 mm = 0.1 cm). So to go from millimeters to centimeters, multiply the millimeter value by 0.1.
What is the formula to convert millimeters to centimeters?
To convert millimeters to centimeters, multiply the millimeter value by 0.1. For example, 10 mm is 1 cm.
What is 85.6 millimeters in centimeters?
85.6 millimeters — the width of a credit card — is 8.56 centimeters. The converter above works for any value, entirely in your browser.
Is the millimeter to centimeter conversion exact?
The factor used here is the defined value: 1 mm = 0.1 cm. Results are rounded to six significant digits for readability, so for high-precision work use the full factor.