Convert Miles per Hour to Kilometres per Hour (mph to km/h)

Enter a value in miles per hour to convert it to kilometres per hour instantly.

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Convert Miles per Hour to Kilometres per Hour (mph to km/h)

Miles per hour (mph) is used on UK roads; kilometres per hour (km/h) is used across most of Europe and the world. One miles per hour equals 1.60934 km/h, so the calculator above gives the answer the instant you type.

The formula

kilometres per hour = miles per hour × 1.60934. To convert the other way, divide by 1.60934 (or use the swap button above).

Worked example

To convert 70 mph to kilometres per hour: 70 × 1.60934 = 112.65408 km/h. 70 mph (UK motorway limit) is about 113 km/h.

Miles per Hour to Kilometres per Hour conversion table

mphkm/h
10 mph16.09344 km/h
20 mph32.18688 km/h
30 mph48.28032 km/h
40 mph64.37376 km/h
50 mph80.4672 km/h
60 mph96.56064 km/h
70 mph112.65408 km/h
80 mph128.74752 km/h
100 mph160.9344 km/h
120 mph193.12128 km/h

Related conversions

Kilometres per Hour to Miles per Hour →Kilograms to Pounds →Centimetres to Inches →All unit conversions →

Frequently Asked Questions

1 mph = 1.60934 km/h.
70 × 1.60934 = 112.65408 km/h.
Multiply the number of miles per hour by 1.60934. 70 mph (UK motorway limit) is about 113 km/h.