Conversion in the opposite direction
The inverse of the conversion factor is that 1 kilometer is equal to 1000000 times 1 millimeter.
It can also be expressed as: 1 millimeter is equal to kilometers.
An approximate numerical result would be: one millimeter is about zero kilometers, or alternatively, a kilometer is about one million times one millimeter.
 The precision is 15 significant digits (fourteen digits to the right of the decimal point).Results may contain small errors due to the use of floating point arithmetic.