Length Converter
Metric and imperial distances.
1 centimeter = 10 mm. Enter any value to convert centimeters (cm) to millimeters (mm), or use the table below for common values.
mm = cm × 10
Example: 10 cm = 100 mm. To convert the other way, use cm = mm × 0.1.
| Centimeters (cm) | Millimeters (mm) |
|---|---|
| 1 cm | 10 mm |
| 2 cm | 20 mm |
| 3 cm | 30 mm |
| 4 cm | 40 mm |
| 5 cm | 50 mm |
| 6 cm | 60 mm |
| 7 cm | 70 mm |
| 8 cm | 80 mm |
| 9 cm | 90 mm |
| 10 cm | 100 mm |
| 15 cm | 150 mm |
| 20 cm | 200 mm |
| 25 cm | 250 mm |
| 30 cm | 300 mm |
| 40 cm | 400 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 |
The centimeter is one hundredth of a meter. It is used for body height, clothing sizes and everyday objects in almost every country outside the United States.
The millimeter is one thousandth of a meter. It is the standard unit on engineering drawings, for rainfall, and for screen, sheet and tool sizes.
Use the formula mm = cm × 10. For example, 10 cm = 100 mm.
1 cm = 10 mm.
Use cm = mm × 0.1. 1 mm = 0.1 cm.