Miles to KM
Speed limit signs in the US, treadmill displays, and used-car odometers all count in miles. Convert them to kilometres to judge the real distance, or to plan fuel and time before a road trip abroad.
How to use
- Type the distance in miles, decimals welcome, e.g. 5.
- The result uses 1 mile = 1.609344 km and updates as you type.
- Press Copy result for the whole line, e.g. 5 mile = 8.04672 km.
FAQ
How do miles and kilometres convert?
One international mile is exactly 1.609344 km, and 1 km is about 0.6214 miles. Road networks in the US and UK use miles, while most other countries use kilometres, so this is the factor to remember when switching a navigation setting.
What is a 65 mph speed limit in km/h?
65 × 1.609344 = 104.60736 km/h, about 105 km/h. Many US signs print both units, and the posted sign always wins over a converted figure — treat the number as a sanity check, not a target.
Further reading