Python program to convert kilometers to miles Kilometer

The kilometer is a unit of length in the metric system. It is equivalent to 1000 meters.
Miles:

Mile is also the unit of length. It is equal to 1760 yards.

Conversion formula:

1 kilometer is equal to 0.62137 miles.

Miles = kilometer * 0.62137 
Kilometer = Miles / 0.62137 
See this example:

# Collect input from the user 
kilometers = float(input('How many kilometers?: ')) 
# conversion factor 
conv_fac = 0.621371 
# calculate miles 
miles = kilometers * conv_fac 
print('%0.3f kilometers is equal to %0.3f miles' %(kilometers,miles))