Length
mm to cm Converter
1 mm = 0.1 cm. Enter any value and the result updates instantly.
Convert
How to convert mm to cm
- Type the mm value in the calculator.
- Keep mm selected as the from unit and cm selected as the to unit.
- Use the instant result, or copy it with the copy button.
mm to cm chart
| mm | cm |
|---|---|
| 1 mm | 0.1 cm |
| 2 mm | 0.2 cm |
| 5 mm | 0.5 cm |
| 10 mm | 1 cm |
| 25 mm | 2.5 cm |
| 50 mm | 5 cm |
| 100 mm | 10 cm |
Formula
cm = mm x 0.1
Example: 1 mm = 0.1 cm.
Source
SI meter definitions and exact international inch, foot, yard, and mile relationships.
Common questions
How do I convert mm to cm?
Enter the mm value in the converter, or multiply by the factor shown in the formula. 1 mm = 0.1 cm.
What is 1 mm = 0.1 cm?
1 mm = 0.1 cm. The chart on this page gives more common mm to cm values.
Where does this length conversion come from?
SI meter definitions and exact international inch, foot, yard, and mile relationships. ConverterBase uses stable definitions and fixed conversion factors, not live or rounded market data.