Kilometres to miles converter

Convert distances between kilometres and miles. Enter a value, choose the direction, and get the converted figure straight away

How it works

Worked example

How to read your result

Frequently asked questions

Why is the conversion 0.621371?

It’s the number of miles in one kilometre, rounded to six decimal places.

Can I convert the other way?

Yes, use the direction dropdown.

Both units measure distance. One kilometre is about 0.621371 miles, so to convert kilometres to miles you multiply by that factor. To convert miles to kilometres, divide by it.

10 km × 0.621371 = 6.21 miles.

The result is rounded to a few decimal places for readability. Use the figure as shown for planning, route estimates and everyday use. For exact engineering or legal work, use the full precision of the unit definitions.