1 cm equals 10 mm. To convert Centimeter to Millimeter, multiply the value by 10; divide by 10 to convert back. Enter any number above and the result appears instantly — free and entirely in your browser.
How do you convert Centimeter to Millimeter?
The conversion formula is mm = cm × 10. The conversion factor is fixed by definition, so the result is always exact.
Centimeter to Millimeter conversion table
| cm | mm |
|---|---|
| 1 cm | 10 mm |
| 5 cm | 50 mm |
| 10 cm | 100 mm |
| 50 cm | 500 mm |
| 100 cm | 1,000 mm |
What is Centimeter (cm)?
The centimetre (cm) is one hundredth of a metre. It is the everyday metric unit for body height, paper sizes and small objects in most of the world.
What is Millimeter (mm)?
The millimetre (mm) is one thousandth of a metre, the smallest common metric length unit. It is used for rainfall, screw sizes and material thickness.
Why convert Centimeter to Millimeter?
Most of the world measures length in metres and centimetres, while the US and UK also use inches, feet and miles. Converting between metric and imperial is a daily need for travel, DIY and online shopping.
By the 1959 international agreement, the inch is exactly 2.54 cm and the foot exactly 0.3048 m. So 1 metre = 3.2808 feet and 1 kilometre = 0.6214 miles.
How to convert Centimeter to Millimeter
- Enter the value in Centimeter into the left field of the converter.
- Read the result in Millimeter instantly in the right field — it updates automatically.
- Use the swap button to reverse the direction (Millimeter to Centimeter).
The converter runs entirely in your browser: no uploads, no queue, no limits. You can even use it offline.