Length/Distance  Convert from kilometer to millimeter 
Related Categories:
All Length Conversions Metric Length Conversions Unit Definition (kilometer) The kilometer is one of the most common metric units of length or distance. One kilometer equals exactly 1000 meters (metres), about 0.62137119 mile, 1093.6133 yards, or 3280.8399 feet. Unit Definition (millimeter) The millimeter (or millimetre) is one of the most common metric units of distance. One millimeter is exactly one thousandth of a meter. The millimeter is also an engineering standard unit.
