Convert Centimeters to Millimeters

Q: How many millimeters are in a centimeter?

There are 10 millimeters in one centimeter.

Q: How many centimeters are in a millimeter?

There are 0.1 centimeters in one millimeter.

1 centimeter = 10 millimeters. Type any value below to convert in either direction — the calculation happens in your browser.

centimeters

millimeters

Centimeters to Millimeters formula

Multiply the number of centimeters by 10 to get millimeters.

millimeters = centimeters × 10

To go the other way: divide the number of millimeters by 10, or multiply by 0.1.

centimeters = millimeters ÷ 10

Centimeters to Millimeters conversion table

Centimeters	Millimeters
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

Millimeters to Centimeters conversion table

Millimeters	Centimeters
1 mm	0.1 cm
2 mm	0.2 cm
3 mm	0.3 cm
4 mm	0.4 cm
5 mm	0.5 cm
6 mm	0.6 cm
7 mm	0.7 cm
8 mm	0.8 cm
9 mm	0.9 cm
10 mm	1 cm

About the centimeter

A centimetre is one hundredth of a metre, the everyday metric unit for body measurements and small objects.

About the millimeter

A millimetre is one thousandth of a metre and is the default unit on engineering drawings and rulers.

Frequently asked questions

How many millimeters are in a centimeter?

There are 10 millimeters in one centimeter.

How many centimeters are in a millimeter?

There are 0.1 centimeters in one millimeter.

Is this conversion exact?

The ratio between the centimeter and the millimeter is fixed by definition, so the conversion is exact — the figures shown here are rounded for readability only.

What is 10 centimeters in millimeters?

10 centimeters equals 100 millimeters.

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