To convert millimeters to centimeters, use centimeters = millimeters ÷ 10. Equivalently, multiply by 0.1. For example, 5 mm = 0.5 cm.
How to convert MM to CM
- Type the value in millimeters.
- The answer in centimeters appears instantly, with the formula.
- Use ⇄ to swap the direction, or pick other units.
MM to CM formula
centimeters = millimeters ÷ 10
Equivalently, multiply by 0.1.
Example: 5 mm = 0.5 cm.
Reverse: 1 cm = 10 mm (see CM to MM).
MM to CM conversion table
| Millimeter (mm) | Centimeter (cm) |
|---|---|
| 1 | 0.1 |
| 2 | 0.2 |
| 3 | 0.3 |
| 4 | 0.4 |
| 5 | 0.5 |
| 6 | 0.6 |
| 7 | 0.7 |
| 8 | 0.8 |
| 9 | 0.9 |
| 10 | 1 |
| 11 | 1.1 |
| 12 | 1.2 |
| 15 | 1.5 |
| 20 | 2 |
| 25 | 2.5 |
| 30 | 3 |
| 40 | 4 |
| 50 | 5 |
| 60 | 6 |
| 70 | 7 |
| 75 | 7.5 |
| 80 | 8 |
| 90 | 9 |
| 100 | 10 |
| 150 | 15 |
| 200 | 20 |
| 250 | 25 |
| 500 | 50 |
| 1,000 | 100 |
About these units
Millimeter (mm): One thousandth of a metre. Used for small measurements, rainfall and engineering drawings.
Centimeter (cm): One hundredth of a metre. Used for body height, clothing and everyday objects in most of the world.
Frequently asked questions
How many centimeters are in a millimeter?
There are 0.1 centimeters in one millimeter.
How do I convert millimeters to centimeters?
centimeters = millimeters ÷ 10. Equivalently, multiply by 0.1. Example: 5 mm = 0.5 cm.
Updated October 2026 · Built and tested by Sharjeel Tahir · How our tools are tested