Kilometers to millimeters (km to mm) conversion table shows the most common values for the quick reference. Alternatively, you may use the converter to convert any other values.
1 Kilometer = 1 000 000 Millimeters
Kilometer is a metric length unit and equals to 1000 meters. The abbreviation is "km".
Millimeter is a metric length unit and equal to one thousandth of a meter. Commonly used to measure small distances in engineering and machining. The abbreviation is "mm".
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