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Convert millimeters to centimeters

Convert millimeters (mm) to centimeters (cm). 1 mm = 0.1 cm, and 1 cm = 10 mm.

1 mm = 0.1 cm

MM to CM formula

cm = mm × 0.1

Multiply the number of millimeters by 0.1.

Example: To convert 1 mm to centimeters: 1 × 0.1 = 0.1 cm.

Quick answers

What is 1 mm in centimeters?
1 mm = 0.1 cm
What is 10 mm in centimeters?
10 mm = 1 cm
What is 25 mm in centimeters?
25 mm = 2.5 cm
What is 100 mm in centimeters?
100 mm = 10 cm

MM to CM conversion table

CM to MM table
millimeters (mm)centimeters (cm)
1 mm0.1 cm
2 mm0.2 cm
3 mm0.3 cm
4 mm0.4 cm
5 mm0.5 cm
6 mm0.6 cm
8 mm0.8 cm
10 mm1 cm
12 mm1.2 cm
15 mm1.5 cm
20 mm2 cm
25 mm2.5 cm
30 mm3 cm
40 mm4 cm
50 mm5 cm
75 mm7.5 cm
100 mm10 cm
150 mm15 cm
200 mm20 cm
250 mm25 cm
300 mm30 cm
500 mm50 cm
1,000 mm100 cm

Frequently asked questions

How many millimeters are in a centimeter?

There are 10 millimeters in a centimeter (1 cm = 10 mm), so 1 mm = 0.1 cm.

How do I convert millimeters to centimeters?

Multiply the number of millimeters by 0.1. To convert 1 mm to centimeters: 1 × 0.1 = 0.1 cm.

Is the MM to CM conversion exact?

Yes. Both units are defined exactly, so 1 millimeter is exactly 0.1 centimeters. Results on this page are rounded to six significant digits; pick more decimals in the converter if you need them.

What is 1 mm in centimeters?

1 mm = 0.1 cm.

How do I convert centimeters back to millimeters?

Use the reverse relationship: 1 cm = 10 mm. The CM to MM page has a converter and a full table.

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