Length Converter
Metric and imperial distances.
1 millimeter = 0.1 cm. Enter any value to convert millimeters (mm) to centimeters (cm), or use the table below for common values.
cm = mm × 0.1
Example: 10 mm = 1 cm. To convert the other way, use mm = cm × 10.
| Millimeters (mm) | Centimeters (cm) |
|---|---|
| 1 mm | 0.1 cm |
| 2 mm | 0.2 cm |
| 3 mm | 0.3 cm |
| 4 mm | 0.4 cm |
| 5 mm | 0.5 cm |
| 6 mm | 0.6 cm |
| 7 mm | 0.7 cm |
| 8 mm | 0.8 cm |
| 9 mm | 0.9 cm |
| 10 mm | 1 cm |
| 15 mm | 1.5 cm |
| 20 mm | 2 cm |
| 25 mm | 2.5 cm |
| 30 mm | 3 cm |
| 40 mm | 4 cm |
| 50 mm | 5 cm |
| 75 mm | 7.5 cm |
| 100 mm | 10 cm |
| 250 mm | 25 cm |
| 500 mm | 50 cm |
| 1,000 mm | 100 cm |
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.
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.
Use the formula cm = mm × 0.1. For example, 10 mm = 1 cm.
1 mm = 0.1 cm.
Use mm = cm × 10. 1 cm = 10 mm.