Centimeters to Millimeters formula
millimeters = centimeters × 10
Multiply the number of centimeters by 10 to get millimeters. To go the other way, multiply by 0.1 instead, or use the mm to cm converter.
Centimeters to Millimeters conversion table
Common cm to mm values, rounded for reading. The converter above keeps full precision.
| Centimeters | Millimeters |
|---|---|
| 1 cm | 10 mm |
| 2 cm | 20 mm |
| 3 cm | 30 mm |
| 4 cm | 40 mm |
| 5 cm | 50 mm |
| 10 cm | 100 mm |
| 15 cm | 150 mm |
| 20 cm | 200 mm |
| 25 cm | 250 mm |
| 50 cm | 500 mm |
| 75 cm | 750 mm |
| 100 cm | 1,000 mm |
| 250 cm | 2,500 mm |
| 500 cm | 5,000 mm |
| 1,000 cm | 10,000 mm |
Worked example
To convert 10 cm to millimeters, multiply by 10: the result is 100 mm. International inch, foot, yard and mile definitions are exact. One inch equals exactly 2.54 centimeters.
Frequently asked questions
How many millimeters are in a centimeter?
One centimeter equals 10 millimeters (1 cm = 10 mm).
What is 10 centimeters in millimeters?
10 cm converts to 100 mm. Enter any other value in the converter above to see it recalculated instantly.
How do I convert millimeters back to centimeters?
Reverse the calculation: one millimeter equals 0.1 centimeters. You can also swap the units in the converter or open the mm to cm page.
Related length conversions
Need a different pair? Open the full length converter to choose any two units.