Centimeters to Millimeters

Convert centimeters to millimeters. Live result, plus a quick-reference table for common values.

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⇆ Convert Millimeters to Centimeters instead

Frequently asked questions

How do I convert centimeters to millimeters?

Multiply the centimeter value by 10. So 1 centimeter = 10 mm, and the calculator above does it instantly for any number.

How many millimeters are in a centimeter?

There are 10 millimeters in one centimeter. The reference table shows the conversion for common values.

Is this cm to mm converter free?

Yes, completely free, no sign-up, and it runs entirely in your browser, so nothing is uploaded.