Conversion calculator
Miles to kilometers converter
Switch between U.S. road distances and metric distances to plan trips, compare routes, and understand global distances.
How this conversion works
One mile equals 1.609344 kilometers. Converting miles to kilometers is useful when reading maps, comparing road signs, or understanding distance estimates from international sources. The formula is straightforward and widely used in travel, athletics, and navigation.
Formula: kilometers = miles × 1.609344.
Assumptions: This tool uses the international mile-to-kilometer conversion factor and assumes standard distance measurement, not route-specific adjustments like terrain or detours.
Worked example: A 10-mile drive equals about 16.09 kilometers. That helps when comparing distances reported in different measurement systems.
- Miles: Standard U.S. and UK road distance unit.
- Kilometers: Metric distance unit used across much of the world.
- Use case: Trip planning, running routes, vehicle range estimates, and travel comparisons.