Miles Per Hour to Kilometers Per Hour

Convert miles per hour (mph) to kilometers per hour (km/h). Type in either box; the other updates as you go.

1 mile per hour equals1.609344 km/h

1 kilometer per hour equals0.6213711922 mph

Formulakm/h = mph × 1.609344

How to convert miles per hour to kilometers per hour

To convert miles per hour to kilometers per hour, multiply the number of miles per hour by 1.609344.

km/h = mph × 1.609344

Convert 5 miles per hour to kilometers per hour:

5 mph × 1.609344 = 8.04672 km/h

Each value has its own page with the working, the answer in other units and nearby values.

Miles per hour is the road speed unit in the United States and the United Kingdom.

Kilometers per hour is the speed unit on road signs and speedometers in most of the world.

How many kilometers per hour are in a mile per hour?

There are 1.609344 kilometers per hour in a mile per hour.

How many miles per hour are in a kilometer per hour?

There are 0.6213711922 miles per hour in a kilometer per hour.

How do you convert miles per hour to kilometers per hour?

To convert miles per hour to kilometers per hour, multiply the number of miles per hour by 1.609344.

What is 5 miles per hour in kilometers per hour?

5 miles per hour equals 8.04672 kilometers per hour.

Convert between miles per hour, kilometers per hour, meters per second and knots. Open the speed converter to see a value in every unit at once.