Direct conversion
Convert centimeter [cm] to millimeter [mm] instantly with formula, examples, chart, and FAQs.
1 centimeter [cm] = 10 millimeter [mm]
1 centimeter [cm] = 10 millimeter [mm]
Example: 1 centimeter [cm] equals 10 millimeter [mm].
Length conversions use the metre as the reference unit. Common imperial relationships are exact where standardized, such as 1 inch = 0.0254 metre and 1 foot = 0.3048 metre.
Displayed results are rounded for readability. The calculator keeps enough precision for everyday use and switches to scientific notation for very large or very small values. Last reviewed: 2026-05-21.
The centimeter is one hundredth of a meter and is a convenient metric unit for small everyday lengths.
HistoryCentimeters come from the decimal metric system, where prefixes make units scale cleanly by powers of ten.
Current useCentimeters are common for body measurements, clothing sizes, school work, crafts, furniture, and product dimensions.
The millimeter is a metric length unit equal to one thousandth of a meter.
HistoryMillimeters come from the decimal metric system and are useful for precise small measurements.
Current useMillimeters are used in engineering drawings, product dimensions, machining, printing, and medicine.
| centimeter [cm] | millimeter [mm] |
|---|---|
| 1 | 10 |
| 2 | 20 |
| 5 | 50 |
| 10 | 100 |
| 20 | 200 |
| 25 | 250 |
| 50 | 500 |
| 100 | 1000 |
| 1000 | 10000 |
Use this formula: 1 centimeter [cm] = 10 millimeter [mm] Enter your value in the calculator and the result updates instantly.
1 centimeter [cm] equals 10 millimeter [mm].
Yes. Use the swap button in the calculator or open the related reverse conversion link when it is listed on this page.