Centimeter to Millimeter
Convert centimeter to millimeter with the exact factor, a quick reference table and three worked examples. Everything runs in your browser.
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FromCentimeter (cm)
ToMillimeter (mm)
10mm
mm = cm × 10Conversion formula
mm = cm × 10 The conversion factor is 10; multiply directly.
Common conversions
| Centimeter (cm) | Millimeter (mm) |
|---|---|
| 1 | 10 |
| 2 | 20 |
| 5 | 50 |
| 10 | 100 |
| 20 | 200 |
| 50 | 500 |
| 100 | 1,000 |
Worked examples
1
1 cm = 10 mm
2
10 cm = 100 mm
3
100 cm = 1,000 mm
Frequently asked questions
How many millimeter are in one centimeter?
One centimeter equals 10 millimeter. Use mm = cm × 10 for any value.
What is the conversion formula?
The formula is mm = cm × 10. Here cm is the input unit and mm is the output unit.
Is the result rounded?
The calculation uses the standard factor 10. Displayed values keep up to six significant digits.
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