Speed converter

MPH to KM/H: Miles per Hour to km/h

Type a speed in miles per hour to get kilometres per hour, or the other way round. Results update as you type.

1 mph = 1.609344 km/h

Convert km/h to mph →

How to convert mph to km/h

Multiply miles per hour by 1.609344. For example, 60 mph × 1.609344 = 96.56 km/h. To convert km/h back to mph, multiply by 0.621371.

A quick shortcut is to multiply by 1.6: 30 mph is about 48 km/h and 70 mph is about 112 km/h (exactly 112.65).

Speed limits in km/h

Driving abroad, it helps to know the common limits. 20 mph is 32 km/h, 30 mph is 48 km/h, 50 mph is 80 km/h, 60 mph is 97 km/h and 70 mph is 113 km/h. Most countries that use km/h set motorway limits between 100 and 130 km/h, which is 62 to 81 mph.

To see your live speed in either unit, open the GPS speedometer and switch between km/h and mph at any time.

Where each unit is used

Miles per hour is used on roads in the United States and the United Kingdom, along with a handful of other countries. Almost everywhere else, including Europe, Canada, Australia and most of Asia, uses kilometres per hour. Sport and weather vary by country too, which is why a converter is handy when reading foreign race results or wind forecasts.

Conversion table

mphkm/h
5 mph8.05 km/h
10 mph16.09 km/h
15 mph24.14 km/h
20 mph32.19 km/h
25 mph40.23 km/h
30 mph48.28 km/h
35 mph56.33 km/h
40 mph64.37 km/h
45 mph72.42 km/h
50 mph80.47 km/h
55 mph88.51 km/h
60 mph96.56 km/h
65 mph104.61 km/h
70 mph112.65 km/h
75 mph120.70 km/h
80 mph128.75 km/h
90 mph144.84 km/h
100 mph160.93 km/h
120 mph193.12 km/h
150 mph241.40 km/h
200 mph321.87 km/h
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mph to km/h: frequently asked questions

How many km/h is 1 mph?

1 mile per hour is 1.609344 kilometres per hour.

What is 60 mph in km/h?

60 mph is 96.56 km/h, just under 100 km/h.

What is 70 mph in km/h?

70 mph is 112.65 km/h.

How do I convert mph to km/h in my head?

Multiply by 1.6. For example, 50 mph × 1.6 = 80 km/h.

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