Convert Centimeters to Millimeters
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Common Conversions
| Centimeters (cm) | Millimeters (mm) |
|---|---|
| 0.1 | 1.0000 |
| 0.25 | 2.5000 |
| 0.5 | 5.0000 |
| 1 | 10.0000 |
| 2 | 20.0000 |
| 3 | 30.0000 |
| 5 | 50.0000 |
| 10 | 100.00 |
| 15 | 150.00 |
| 20 | 200.00 |
| 25 | 250.00 |
| 50 | 500.00 |
| 75 | 750.00 |
| 100 | 1000.00 |
| 150 | 1500.00 |
| 250 | 2500.00 |
| 500 | 5000.00 |
| 1000 | 10000.00 |
| 2500 | 25000.00 |
| 5000 | 50000.00 |
What Is Centimeters TO Millimeters?
One centimeter equals exactly 10 millimeters. This is the reverse of the equally simple mm-to-cm conversion and is used whenever a measurement in centimeters needs more granular precision. Doctors measuring a tumor at 2.3 cm may need to report it as 23 mm for a radiology protocol. Architects draw floor plans in centimeters but specify hardware mounting holes in millimeters. Smartphone screen sizes are sometimes quoted in centimeters in certain markets, while protective case manufacturers work in millimeters. In cooking, recipe instructions may say "cut into 1 cm strips," but a precise cook knows that is 10 mm and adjusts knife placement accordingly. The decimal simplicity of this metric conversion is one of the strongest arguments for the metric system's user-friendliness.
Formula
Multiply the centimeter value by 10 to get millimeters. Since centi- means hundredth and milli- means thousandth of a meter, 1 cm = 10 mm exactly. Simply move the decimal point one place to the right.
Best For:
- Medical imaging: converting tumor and organ measurements from cm to mm for reporting
- Architecture: translating floor plan dimensions to precise hardware specifications
- Consumer electronics: converting device dimensions from cm to mm for accessory sizing
- Cooking: precise knife cuts where recipes give cm and tools measure mm
- Crafting: converting pattern measurements to cutting tool precision
How to Centimeters TO Millimeters
Enter a Value
Type the number you want to convert in the input field above.
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Swap or Explore
Click the swap button to reverse the conversion, or explore the common values table.
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