Formula
Convert miles to kilometers with:
km = mi * 1.60934
Example
26.2 mi = 42.165 km
miles to kilometers table
Questions
How many kilometers are in a mile?
One mile is 1.60934 kilometers. Enter any value above to convert instantly.
What is the formula to convert miles to kilometers?
Use km = mi * 1.60934. The calculator applies this for every value you type.
Is this conversion exact?
Yes — it uses the standard conversion factor (km = mi * 1.60934), rounded to 6 significant digits for display.