Practical measurement guide
MM to CM Converter
Convert millimeters to centimeters with exact metric scaling, examples, and small-measurement guidance.
Divide millimeters by 10 to convert millimeters to centimeters.
mm
Decimals and fractions work, for example 1.5, 1/2, or 1 1/2.
cm
Try a value
10 mm = 1 cm
10 mm × 0.1 = 1 cm
Millimeters to centimeters formula
Divide millimeters by 10. For example, 25.4 mm ÷ 10 = 2.54 cm.
Small measurement use
Millimeters are common for hardware and small parts; centimeters are easier for nearby product dimensions and school measurements.
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Frequently asked questions
How many cm is 10 mm?
10 mm equals exactly 1 cm.
Why divide mm by 10?
One centimeter contains exactly 10 millimeters.