Centimeters to millimeters
Convert centimeters (cm) to millimeters (mm) instantly. 1 centimeter = 10 millimeters.
Quick answer: 1 centimeter equals 10 mm. To convert centimeters to millimeters, multiply the value by 10.
Good to know
- 1 inch is exactly 2.54 centimetres, and 1 mile is about 1.609 kilometres.
- To estimate miles to kilometres, add half and then a tenth of the miles. 50 miles is about 80 km.
Quick reference
| cm | mm |
|---|---|
| 1 | 10 |
| 2 | 20 |
| 5 | 50 |
| 10 | 100 |
| 25 | 250 |
| 50 | 500 |
| 100 | 1000 |
Frequently asked questions
How many millimeters are in 1 centimeter?
There are 10 millimeters in 1 centimeter.
How do I convert centimeters to millimeters?
Multiply the number of centimeters by 10.
How do I convert millimeters back to centimeters?
Divide by 10, or multiply by 0.1.
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