🛣️ Miles to Km Converter
Race distances, road signs and trip plans – turn miles into kilometres instantly.
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All conversions
How to use the Miles to Km Converter tool
- Enter the distance in miles.
- Read the kilometre result.
- Use Swap for km → miles.
Frequently asked questions
How many kilometres are in a mile?
Exactly 1.609344 km. One kilometre is about 0.621371 miles.
How long is a marathon in km and miles?
26.2188 miles = 42.195 km. A half marathon is 21.0975 km (13.1 miles); a 10K is 6.21 miles.
Is a nautical mile the same?
No – a nautical mile is 1.852 km, used at sea and in aviation. Pick it from the unit list if you need it.