Miles to Kilometers Converter
Convert miles to kilometers instantly, free in your browser. Enter a distance in miles and get the exact value in km — no upload, no sign up.
Your result will appear here
Result
kilometers (km)
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1 mi = 1.60934 km · km = mi × 1.60934
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How to use
- Enter a value in miles (mi) in the box above — it is already filled with 5 as an example.
- Click Convert to kilometers (km) (or just keep typing — the result updates as you type).
- Read the converted value in kilometers (km). Use Swap to convert back from kilometers (km) to miles (mi).
Frequently asked questions
What is the formula to convert miles (mi) to kilometers (km)?
1 mi = 1.60934 km . km = mi × 1.60934.
How do I convert kilometers (km) back to miles (mi)?
Use the reverse conversion: 1 km = 0.621371 mi . mi = km × 0.621371. Or just click the Swap button on this page — it flips the direction and converts your value back instantly.
When would I need to convert miles (mi) to kilometers (km)?
Miles are the road-distance unit in the United States and the United Kingdom, while kilometers are used almost everywhere else. Use it for travel plans, marathons and car odometer readings.