One mile is exactly 1.609344 kilometers. The table includes reference points such as a marathon (26.2 miles) and a 10 km run, which makes it easy to translate race distances, speed limits and road trip plans between the two systems.
Calculator
Formula used
kilometers = miles × 1.609344 · miles = kilometers ÷ 1.609344
How to use the Miles to Km Converter
- Enter a distance in miles.
- Read the equivalent in kilometers.
- Or enter kilometers to convert to miles.
- Use the table for common distances such as 5K, 10K or a marathon.
About this tool
The Miles to Km Converter is built for speed and accuracy: every calculation runs in your browser, so your data never leaves your device and the result updates as you type. It works equally well on a phone, a tablet or a desktop, and it is free to use as many times as you like.
Common use cases
- Converting race distances between systems.
- Reading road signs and speed limits abroad.
- Planning a road trip in kilometers.
- Converting a car odometer or fuel-economy figure.
Tips for the best result
- Use the latest figures you have - even a small change in rate or term can shift the outcome by hundreds.
- For annual figures, divide by 12 to get a monthly number you can compare with the result.
- Bookmark this page and revisit the calculation as the inputs change.
Frequently asked questions
How many km is a mile?
Exactly 1.609344 km. A quick rule of thumb is that 5 miles is about 8 km.
Is a nautical mile different?
Yes, a nautical mile is 1.852 km. This converter uses the statute mile used on roads.
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