Kilometers ⇄ Miles Converter

Use this free tool to easily convert between kilometers and miles. It’s ideal for runners, drivers, travelers, and students who need to switch between metric and imperial units. Whether you're planning a road trip or checking race distances, this converter is fast and precise.

The kilometer is part of the metric system and is widely used across most countries, while the mile is part of the imperial system and used primarily in the United States and the UK. The standard conversion is 1 kilometer = 0.621371 miles.

Simply enter a value in the Kilometers or Miles field and the opposite unit will update instantly. The conversion is bidirectional and works in real time, so you can easily toggle values in either direction. Below the calculator, you’ll find a quick reference table of common conversions.

This page is mobile-friendly, clean, and optimized for speed and SEO. Whether you're calculating race distances, converting GPS outputs, or working on a school assignment, this tool provides exactly what you need — instantly.

Don’t forget to check out our other tools for converting length, speed, temperature, and more. Our goal is to make accurate unit conversions quick, easy, and accessible to everyone.