How many kilometers per hour in 1 miles per hour?
The answer is 1.609344.

We assume you are converting between **kilometre/hour** and **mile/hour**.

You can view more details on each measurement unit:

kilometers per hour or
miles per hour

The SI derived unit for **speed** is the meter/second.

1 meter/second is equal to 3.6 kilometers per hour, or 2.2369362920544 miles per hour.

Note that rounding errors may occur, so always check the results.

Use this page to learn how to convert between kilometers/hour and miles/hour.

Type in your own numbers in the form to convert the units!

1 kilometers per hour to miles per hour = 0.62137 miles per hour

5 kilometers per hour to miles per hour = 3.10686 miles per hour

10 kilometers per hour to miles per hour = 6.21371 miles per hour

20 kilometers per hour to miles per hour = 12.42742 miles per hour

30 kilometers per hour to miles per hour = 18.64114 miles per hour

40 kilometers per hour to miles per hour = 24.85485 miles per hour

50 kilometers per hour to miles per hour = 31.06856 miles per hour

75 kilometers per hour to miles per hour = 46.60284 miles per hour

100 kilometers per hour to miles per hour = 62.13712 miles per hour

You can do the reverse unit conversion from miles per hour to kilometers per hour, or enter any two units below:

kilometers per hour to yard/hour

kilometers per hour to meter/hour

kilometers per hour to megameter/minute

kilometers per hour to mile/second

kilometers per hour to dekameter/minute

kilometers per hour to meter/second

kilometers per hour to hectometer/minute

kilometers per hour to furlong/minute

kilometers per hour to millimeter/day

kilometers per hour to foot/hour

The kilometre per hour (American English: kilometer per hour) is a unit of both speed (scalar) and velocity (vector).

The km/h is the worldwide most commonly used speed unit on road signs and car speedometers.

Miles per hour is a unit of speed, expressing the number of international miles covered per hour. It is commonly abbreviated in everyday use in the United States, the United Kingdom, and elsewhere to mph or MPH, although mi/h is sometimes used in technical publications.

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