Unit Converter

Convert millimeters to centimeters

Convert millimeters to centimeters. A basic metric length conversion used in design, DIY, and science.

1 mm = 0.1 cm

Formula

Convert millimeters to centimeters with:

cm = mm / 10

Example

10 mm = 1 cm

millimeters to centimeters table

mmcm
1 mm0.1 cm
5 mm0.5 cm
10 mm1 cm
20 mm2 cm
50 mm5 cm
100 mm10 cm
200 mm20 cm
500 mm50 cm
1000 mm100 cm

Questions

How many centimeters are in a millimeter?

One millimeter is 0.1 centimeters. Enter any value above to convert instantly.

What is the formula to convert millimeters to centimeters?

Use cm = mm / 10. The calculator applies this for every value you type.

Is this conversion exact?

Yes — it uses the standard conversion factor (cm = mm / 10), rounded to 6 significant digits for display.

Common conversions

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