How do I convert miles to kilometers?

Use km = mi × 1.609344. For example, 26.2 mi = 42.1648 km.

Is the converter accurate?

It uses the exact international definitions of each unit and shows up to six significant figures.

1 mi = 1.60934 km. Type any value below to convert miles to kilometers instantly.

For US and UK road distances, running miles, and travel planning in metric countries. One mile is exactly 1.609344 km.

To convert, multiply the value in miles by 1.609344. For example, 26.2 mi = 42.1648 km.

Miles: 5,280 feet, exactly 1.609344 km. Kilometers: 1,000 meters.

Formula: km = mi × 1.609344

Values rounded to 6 significant figures.

1
Type a value in miles in the converter above (it is preset to mi → km).
2
Read the result instantly; tap Swap units to convert the other way.
3
Use the table for common values or the formula km = mi × 1.609344 to convert by hand.