How Many MM Are in a Centimeter?
The short answer, a converter for any number, and a chart of common amounts.
Quick answer: There are 10 millimeters in 1 centimeter. So 1 millimeter is 0.1 centimeters.
How to use it
The answer
There are 10 millimeters in 1 centimeter. So 1 millimeter is 0.1 centimeters.
To convert centimeters to millimeters, multiply by 10. To go from millimeters to centimeters, multiply by 0.1.
Centimeters to millimeters chart
| Centimeters | Millimeters |
|---|---|
| 1 centimeter | 10 millimeters |
| 2 centimeters | 20 millimeters |
| 3 centimeters | 30 millimeters |
| 4 centimeters | 40 millimeters |
| 5 centimeters | 50 millimeters |
| 10 centimeters | 100 millimeters |
| 20 centimeters | 200 millimeters |
| 50 centimeters | 500 millimeters |
| 100 centimeters | 1,000 millimeters |
Millimeters to centimeters chart
| Millimeters | Centimeters |
|---|---|
| 1 millimeter | 0.1 centimeters |
| 2 millimeters | 0.2 centimeters |
| 5 millimeters | 0.5 centimeters |
| 10 millimeters | 1 centimeter |
| 25 millimeters | 2.5 centimeters |
| 50 millimeters | 5 centimeters |
| 100 millimeters | 10 centimeters |
What people use it for
- Cooking, baking and shopping
- Homework and science
- Travel and road signs
- Reading labels and instructions
- Quick checks without a calculator
Questions
How many millimeters are in a centimeter?
There are 10 millimeters in 1 centimeter. So 1 millimeter is 0.1 centimeters.
How many centimeters are in a millimeter?
There are 0.1 centimeters in 1 millimeter.
Is the number exact?
Yes, it uses the exact definitions of the units and is rounded only for display.
Is it free?
Yes. No sign-up, no install and no limit.
Is anything saved or sent?
No. Everything runs in your browser. Only your own best score, where a page shows one, is kept on your device.
Last updated 2026-10-24. Free to use, no sign-up. Made by ficklestudio26.