Centimeters to Millimeters
Convert centimeters (cm) to millimeters (mm). Type in either box; the other updates as you go.
How to convert centimeters to millimeters
To convert centimeters to millimeters, multiply the number of centimeters by 10.
Example
Convert 5 centimeters to millimeters:
Centimeter to millimeter conversion chart
| Centimeters (cm) | Millimeters (mm) |
|---|---|
| 1 cm | 10 mm |
| 2 cm | 20 mm |
| 3 cm | 30 mm |
| 4 cm | 40 mm |
| 5 cm | 50 mm |
| 6 cm | 60 mm |
| 7 cm | 70 mm |
| 8 cm | 80 mm |
| 9 cm | 90 mm |
| 10 cm | 100 mm |
| 12 cm | 120 mm |
| 15 cm | 150 mm |
| 20 cm | 200 mm |
| 25 cm | 250 mm |
| 30 cm | 300 mm |
| 40 cm | 400 mm |
| 50 cm | 500 mm |
| 60 cm | 600 mm |
| 70 cm | 700 mm |
| 75 cm | 750 mm |
| 80 cm | 800 mm |
| 90 cm | 900 mm |
| 100 cm | 1,000 mm |
| 150 cm | 1,500 mm |
| 200 cm | 2,000 mm |
| 250 cm | 2,500 mm |
| 500 cm | 5,000 mm |
| 1,000 cm | 10,000 mm |
Going the other way? See the millimeters to centimeters chart.
About the units
Centimeter (cm)
A centimeter is one hundredth of a meter, about the width of a fingernail. Height, clothing and screen sizes are given in centimeters in most of the world.
Millimeter (mm)
A millimeter is one thousandth of a meter. It is the unit on engineering drawings, rainfall gauges and the small marks of a metric ruler.
Frequently asked questions
How many millimeters are in a centimeter?
There are 10 millimeters in a centimeter.
How many centimeters are in a millimeter?
There are 0.1 centimeters in a millimeter.
How do you convert centimeters to millimeters?
To convert centimeters to millimeters, multiply the number of centimeters by 10.
What is 5 centimeters in millimeters?
5 centimeters equals 50 millimeters.
Convert between metric and imperial units of length and distance, from millimeters to miles. Open the length converter to see a value in every unit at once.