Kilometers to millimeters (km to mm) conversion table shows the most common values for the quick reference. Alternatively, you may use the converter below to convert any other values.
1 Kilometer = 1 000 000 Millimeters
Kilometer is a metric unit and equals to 1000 meters. It is spelled as kilometre in europe. It is a commonly used unit of length in most of the countries to measure the distance between two geographical locations. The abbreviation is "km".
Millimeter is a metric unit and equal to one thousandth of a meter. Spelled as millimetre in most of the countries. Used widely to measure small distances in engineering and machining. The abbreviation is "mm".
For other length unit conversions, please go to Length Conversion