Kilometers to Miles Converter
Convert kilometers (km) to miles (mi) instantly and accurately.
Convert kilometers to miles instantly with this free online tool. Type a distance in kilometers and see the equivalent in miles right away, or type miles to convert back. Everything runs in your browser — no sign-up and no waiting.
How to convert kilometers to miles
To convert kilometers to miles, divide the number of kilometers by 1.609344, or equivalently multiply by 0.621371, because one mile is defined as exactly 1.609344 kilometers. For example, 10 kilometers ÷ 1.609344 = 6.213712 miles. This converter does the math for you and updates as you type.
- Enter the distance in kilometers in the first field.
- Read the result in miles in the second field.
- Type into the miles field to convert in the other direction.
Why use this kilometers to miles converter?
- 100% free with no ads, sign-up, or limits.
- Instant, two-way conversion as you type.
- Accurate to the international mile (exactly 1.609344 km).
- Runs entirely in your browser.
Frequently asked questions
What is the formula to convert kilometers to miles?
Miles = kilometers ÷ 1.609344, or miles = kilometers × 0.621371. Both give the same result.
How many miles is 1 kilometer?
1 kilometer is about 0.621371 miles, often rounded to 0.62 mi.
How do I convert 10 kilometers to miles?
Divide 10 by 1.609344 (or multiply by 0.621371) to get about 6.213712 miles.