Enter a value in one of the fields to convert centimeters to millimeters:
To calculate the length in millimeters you multiply the length in centimeters by 10.0:
The centimeter is an international unit of length for measuring small distances. Its length equals 0.01 meters and 10 millimeters.
The millimeter is an international unit for measuring very small lengths. It equals 0.001 meters and 0.1 centimeters.
| Centimeters | Millimeters | |
|---|---|---|
| Marathon | 4,219,500.0 | 42,195,000.0 |
| Race track "Mille Miglia" | 160,930,000.0 | 1,609,300,000.0 |
| Earth radius | 637,816,500.0 | 6,378,165,000.0 |
| Earth circumference | 4,007,519,200.0 | 40,075,192,000.0 |
| Distance earth ↔ moon | 38,440,000,000.0 | 384,400,000,000.0 |
| Distance earth ↔ sun | 14,959,378,000,000.0 | 149,593,780,000,000.0 |