How to convert 150 miles to kilometers?
We know (by definition) that:
We can set up a proportion to solve for the number of kilometers.
Now, we cross multiply to solve for our unknown :
Conversion in the opposite direction
The inverse of the conversion factor is that 1 kilometer is equal to 0.00414247461491556 times 150 miles.
It can also be expressed as: 150 miles is equal to kilometers.
An approximate numerical result would be: one hundred and fifty miles is about two hundred and forty-one point four zero kilometers, or alternatively, a kilometer is about zero times one hundred and fifty miles.
 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.