Kilometers to Miles Converter
What is Kilometers to Miles Converter
This tool converts kilometers (km) to miles (mi). One kilometer equals 0.621371 miles. Kilometers are used in most countries worldwide, while miles are used primarily in the United States, United Kingdom, and a few other countries. Use the Swap button to reverse the conversion.
How to use
- Enter the distance in kilometers in the input field.
- Read the result in miles instantly — no button press needed.
- Click Swap to switch to miles → kilometers.
- Click the copy button to copy the result.
When to use it
Training for a 10K and need it in miles? Enter 10 and you get 6.21371 miles instantly. Handy for sizing up a race, reading US road signs on a road trip, or telling a friend abroad exactly how far you ran.
Frequently asked questions
How many miles is 1 km?
1 kilometer = 0.621371 miles.
How many miles is 5 km?
5 kilometers = 3.10686 miles.
How many miles is 10 km?
10 kilometers = 6.21371 miles.
How many miles is 100 km?
100 kilometers = 62.1371 miles.
Can I share this tool with my inputs pre-filled?
Yes. The URL updates automatically as you type. Copy it from the address bar or use the Share button — anyone who opens the link will see your exact inputs ready to go.
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