›› Convert mile/hour to kilometre/hour


›› More information from the unit converter

How many mile/hour in 1 kilometre/hour? The answer is 0.62137119223733.
We assume you are converting between mile/hour and kilometre/hour.
You can view more details on each measurement unit:
mile/hour or kilometre/hour
The SI derived unit for speed is the meter/second.
1 meter/second is equal to 2.2369362920544 mile/hour, or 3.6 kilometre/hour.
Note that rounding errors may occur, so always check the results.
Use this page to learn how to convert between miles/hour and kilometers/hour.
Type in your own numbers in the form to convert the units!

›› Quick conversion chart of mile/hour to kilometre/hour

1 mile/hour to kilometre/hour = 1.60934 kilometre/hour

5 mile/hour to kilometre/hour = 8.04672 kilometre/hour

10 mile/hour to kilometre/hour = 16.09344 kilometre/hour

15 mile/hour to kilometre/hour = 24.14016 kilometre/hour

20 mile/hour to kilometre/hour = 32.18688 kilometre/hour

25 mile/hour to kilometre/hour = 40.2336 kilometre/hour

30 mile/hour to kilometre/hour = 48.28032 kilometre/hour

40 mile/hour to kilometre/hour = 64.37376 kilometre/hour

50 mile/hour to kilometre/hour = 80.4672 kilometre/hour

›› Want other units?

You can do the reverse unit conversion from kilometre/hour to mile/hour, or enter any two units below:

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›› Common speed conversions

mile/hour to millimeter/second
mile/hour to kilometer/day
mile/hour to foot/minute
mile/hour to meter/day
mile/hour to millimeter/hour
mile/hour to speed of light
mile/hour to league/second
mile/hour to meter/hour
mile/hour to kilometer/second
mile/hour to inch/hour

›› Definition: Mile/hour

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.

›› Definition: Kilometer/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.

›› Metric conversions and more

ConvertUnits.com provides an online conversion calculator for all types of measurement units. You can find metric conversion tables for SI units, as well as English units, currency, and other data. Type in unit symbols, abbreviations, or full names for units of length, area, mass, pressure, and other types. Examples include mm, inch, 100 kg, US fluid ounce, 6'3", 10 stone 4, cubic cm, metres squared, grams, moles, feet per second, and many more!