Enter a value in one of the fields to convert millimeters to kilometers:
To calculate the length in kilometers you divide the length in millimeters by 1,000,000.0:
The millimeter is an international unit for measuring very small lengths. It equals 0.001 meters and 0.1 centimeters.
The kilometer is an international unit of length for measuring large distances. It equals exactly 1,000 meters.
Millimeters | Kilometers | |
---|---|---|
Marathon | 42,195,000.0 | 42.2 |
Race track "Mille Miglia" | 1,609,300,000.0 | 1,609.3 |
Earth radius | 6,378,165,000.0 | 6,378.2 |
Earth circumference | 40,075,192,000.0 | 40,075.2 |
Distance earth ↔ moon | 384,400,000,000.0 | 384,400.0 |
Distance earth ↔ sun | 149,593,780,000,000.0 | 149,593,780.0 |