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Miles per hour to Kilometres per hour conversion

Unit	Result

How to convert miles per hour to kilometres per hour

1 miles per hour (mph) is equal to 1.609344 kilometres per hour (km/h). Conversely, 1 kilometres per hour (km/h) is equal to 0.6213712 miles per hour (mph).

See below section for step by step unit conversion with formulas and explanations. Please refer to the table below for a list of all the Kilometres per hour to other unit conversions.

Step by step guide to convert miles per hour to kilometres per hour

Converting units

Kilometre is a SI unit and miles is an Imperial and American customary unit. There is a 0.62137 miles in a kilometer. Thus,

1\ km/h = 0.621371\ mph

1\ mph = 1.609344\ km/h

Wikipedia page for Miles per hour Wikipedia page for Kilometres per hour

What is Miles per hour?

Miles per hour measures speed. This unit of speed measures how many miles traveled in one hour. Its is part of the British imperial and US customary unit. Commonly, express as mph, MPH or mi/h.

Miles per hour can be calculated using following formula. Please note that $t$ is in hours

mph = \frac{x}{t}

$mph$ - Miles per hour
$x$ - Number of miles
$h$ - Hour
$t$ - Time in hours

Wiki page for Miles Wiki page for Miles per hour

What is Kilometres per hour?

Kilometres (or Kilometers) per hour measures speed. This unit of speed measures how many Kilometres traveled in one hour. Its is part of the SI units system. Commonly, express as km/h, or kph.

Kilometres per hour can be calculated using following formula. Please note that $t$ is in hours

kph = \frac{x}{t}

$kph$ - Kilometres per hour
$x$ - Number of kilometres
$h$ - Hour
$t$ - Time in hours

Wiki page for Kilometres
Wiki page for Kilometres per hour

Complete Miles per hour conversion table

Enter # of Miles per hour

Convert 1 mph to other units	Result
Miles per hour to Metres per second (mph to m/s)	0.44704
Miles per hour to Kilometres per hour (mph to km/h)	1.609344
Miles per hour to Millimeters per hour (mph to mm/h)	1609344.0000000002
Miles per hour to Knots (mph to knot)	0.8689765802121867
Miles per hour to Feet per second (mph to ft/s)	1.466667057777882
Miles per hour to Feet per minute (mph to ft/min)	88.00028160090112
Miles per hour to Inches per hour (mph to in/h)	63371.35614702154

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