Miles to Kilometers (mi to km)
Convert miles to kilometres for US and UK road distances, running plans and flight distances.
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How to use
- Enter the distance in miles.
- Read the value in kilometres.
- Use the table for common distances.
How it works
Kilometres = miles × 1.609344 (exact). Estimate: add 60% — 100 miles ≈ 160 km (exact: 160.93 km).
Examples
- Half marathon
- 13.1 mi = 21.08 km.
- Road trip
- 250 mi = 402.3 km.
Common uses
- Travel in the US and UK
- Running plans
- Car mileage
Privacy & security
This tool runs entirely in your browser. Your files and text are never uploaded to our servers — processing happens on your device and results are created locally. How each tool handles files
Frequently asked questions
Is a nautical mile the same?
No, a nautical mile is 1.852 km. Use the length converter for nautical miles.
How many km is 26.2 miles?
42.16 km (the marathon is officially 42.195 km).
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