How to convert miles per hour to kilometers per hour

1 mile per hour equals 1.60934 kilometers per hour, so you multiply by 1.60934:

km/h = mph × 1.60934

Example

Let's convert 60 miles per hour to kilometers per hour:

60 mph = 96.5606 km/h

Going the other way

1 kilometer per hour = 0.621371 miles per hour. Use our kilometers per hour to miles per hour converter.

What is a mile per hour?

Miles per hour is the speed unit on US and UK roads and car speedometers.

What is a kilometer per hour?

Kilometers per hour is the speed unit used on roads in most countries.