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

1 kilometre per hour = 0.621371192 miles per hour. In the other direction, 1 mile per hour = 1.609344 kilometres per hour.

What is a kilometre per hour?

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

Miles per hour is the road speed unit in the United States and the United Kingdom, and the conventional unit for wind speed in US forecasts.

Unit-To-Unit Speed conversion

1 kilometre per hour = 0.621371192 miles per hour

One km/h is 0.621371 mph. A 130 km/h European motorway limit is 81 mph, and 100 km/h is 62 mph.

Formula mph = km/h × 0.621371192237

Kilometre per hour (km/h) max 24 digits

Mile per hour (mph) max 24 digits

Type in either field — the other updates on every keystroke. Need other units? Open the full speed converter.

Multiply by 0.6, which reads about 3% low. 100 km/h is 60 mph, against an exact 62.1.

Driving abroad means converting speed limits. 50 km/h is 31 mph and 120 km/h is 74.6 mph.

Dividing by 1.6 is more accurate than multiplying by 0.6. Cars sold in the US show mph first, so check which scale you are reading.

A mile is exactly 1.609344 km, so 1 km/h is 0.621371 mph.

How many miles per hour are in a kilometre per hour?: 1 kilometre per hour = 0.621371192 miles per hour. In the other direction, 1 mile per hour = 1.609344 kilometres per hour.
What is a kilometre per hour?: Kilometres per hour is the speed unit on road signs and speedometers in most of the world.
What is a mile per hour?: Miles per hour is the road speed unit in the United States and the United Kingdom, and the conventional unit for wind speed in US forecasts.
How fast is 100 km/h in mph?: 100 km/h is 62.14 mph.