How to convert 250 feet to miles?
We know (by definition) that:
We can set up a proportion to solve for the number of miles.
Now, we cross multiply to solve for our unknown :
Conversion in the opposite direction
The inverse of the conversion factor is that 1 mile is equal to 21.12 times 250 feet.
It can also be expressed as: 250 feet is equal to miles.
An approximate numerical result would be: two hundred and fifty feet is about zero point zero five miles, or alternatively, a mile is about zero times two hundred and fifty feet.
 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.