cm to mm
Convert Centimeter to Millimeter
Convert Centimeter to Millimeter instantly with the tool above. The conversion factor is 10, meaning 1 centimeter equals 10 millimeters. Type any value and the result updates immediately — no ads, no page reloads, no clutter.
Type a number above. The result updates instantly — no buttons, no reloads.
1 Centimeter = 10 millimeters
1 Millimeter = 0.1 centimeters
Quick reference
Common centimeters converted to millimeters at a glance.
| cm | mm |
|---|---|
| 1 | 10 |
| 2 | 20 |
| 5 | 50 |
| 10 | 100 |
| 25 | 250 |
| 50 | 500 |
| 100 | 1,000 |
| 500 | 5,000 |
| 1,000 | 10,000 |
How to convert centimeters to millimeters
To convert a value from centimeters to millimeters, multiply the centimeter value by 10 millimeters. For example, 10 centimeters × that factor = 100 millimeters.
This centimeter to millimeter converter runs entirely in your browser, so results appear instantly with no page reload, no advertisements and no sign-up.
Frequently asked questions
How many millimeters are in 1 centimeter?+
1 centimeter is equal to 10 millimeters.
How do you convert centimeters to millimeters?+
To convert centimeters to millimeters, multiply the centimeter value by 10. For example, 10 centimeters × 10 = 100 millimeters.
What is the formula to convert centimeters to millimeters?+
Centimeter → Millimeter: value × 10. Equivalently, 1 centimeter = 10 millimeters.
Is this Centimeter to Millimeter converter free to use?+
Yes. This centimeter to millimeter converter is completely free, works instantly in your browser, and contains no advertisements, popups or sign-up.