CM to MM Converter
Convert centimeters to millimeters and back, plus meters and inches.
Independently verified for accuracy
Calculator by Toolsloft ↗- Result
- 10 Millimeters (mm)
- Conversion
- 1 Centimeters (cm) = 10 Millimeters (mm)
Convert centimeters to millimeters for measurements, drawings, and specs where a finer unit is needed. Since both are metric, the shift is a simple factor of ten, and you can swap to go the other way.
How this is calculated
One centimeter is exactly 10 millimeters. Centimeters are multiplied by 10 to get millimeters, and millimeters are divided by 10 to get centimeters.
How to use
- Enter the length in centimeters.
- Keep cm to mm, or press Swap for mm to cm.
- Read the result in millimeters.
Examples
- One centimeter:
1 cm = 10 mm - Ruler length:
30 cm = 300 mm - Half centimeter:
0.5 cm = 5 mm
FAQ
- How many mm are in a cm?
- There are exactly 10 millimeters in one centimeter.
- How do I convert cm to mm quickly?
- Multiply by 10, or just move the decimal point one place to the right.