cm to mm Length Converter

Convert cm to mm with an exact formula and reverse conversion.

Need help with the calculation?
100 mm
mm = cm x 10; cm = mm / 10
Need another length unit? Use the full length converter.
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cm to mm Length Converter formula

Convert cm to mm. Type a value in either field and the reverse field updates immediately.

mm = cm x 10. Reverse formula: cm = mm / 10.

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