Centimeters to Millimeters

1 cm = 10 mm

From

How to convert centimeters to millimeters

mm = cm × 10

Example: 5 cm = 50 mm

Centimeters to Millimeters conversion table

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
15 cm	150 mm
20 cm	200 mm
25 cm	250 mm
30 cm	300 mm
40 cm	400 mm
50 cm	500 mm
75 cm	750 mm
100 cm	1,000 mm
250 cm	2,500 mm
500 cm	5,000 mm
1,000 cm	10,000 mm

About the units

Centimeters: The centimeter is a metric unit of length equal to one hundredth of a meter. It is the everyday unit for body height, clothing and small objects in most of the world.

Millimeters: The millimeter is a metric unit of length equal to one thousandth of a meter, used for precise measurements in engineering, manufacturing and rainfall.

Frequently asked questions

How many millimeters are in 1 centimeter?

1 centimeter equals 10 millimeters.

How many centimeters are in 1 millimeter?

1 millimeter equals 0.1 centimeters.

How do I convert centimeters to millimeters?

Use the formula mm = cm × 10.

What is 10 centimeters in millimeters?

10 centimeters equals 100 millimeters.

Related conversions

Sources

Conversion factors use the exact definitions published by NIST and the BIPM, and are checked by automated tests against those definitions.

Last updated: October 17, 2026