Mile per hour conversions

speed conversions » mile per hour conversions
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The mile per hour conversion selector selects the speed/velocity measurement unit to convert to starting from miles per hour (mph). To make a conversion starting from a unit of speed other than mile per hour, simply click on the "Reset" button.

What is mile per hour?

The mile per hour (or mile/hour) is a unit of speed in the Imperial and US customary systems of units equal to 0.44704 meters per second (1 mph = 0.44704 m/s), the derived unit of speed in the International System of Units (SI). It is also equal to approximately 1.609344 kilometers per hour (km per h), or 17.6 inches per second (in/s), or 1.466667 feet per second (ft/s) or 0.868976 knots (kn).

The speed is the distance traveled by an object during a period of time. Thus, miles per hour (or miles/hour) show how many miles are traveled in one hour. The mile is a unit of length in the Imperial / US customary system of units while the hour is a unit of time.

Mile per hour is commonly used in the United States and the United Kingdom in sports, road signs, and cars and aircrafts speedometers.

Symbol:

mph

Plural:

miles per hour