Km to Miles Converter
Quick reference
About this tool
Convert kilometers to miles and back instantly — with a quick reference table.
Road distances, running stats and speed limits switch between km and miles depending on the country. Type either value and get the other instantly, plus a reference table for common distances.
1 km = 0.62137 miles; 1 mile = 1.609 km. A 5K run is 3.1 miles; a marathon is 42.2 km / 26.2 miles.
How to use
- Type a value in either field.
- The other side converts instantly.
Frequently asked questions
6.21 miles — the classic 10K race distance.
Multiply km by 0.6 for a rough mile figure (or miles by 1.6 for km). The tool gives the exact number.
The US and UK for road distances; most of the world signs in kilometers.