›› Measurement unit: mph

Full name: mile/hour

Plural form: miles/hour

Symbol: mph

Alternate spelling: mi/h

Category type: speed

Scale factor: 0.44704


›› SI unit: meter/second

The SI derived unit for speed is the meter/second.
1 meter/second is equal to 2.23693629205 mph.


›› Convert mph to another unit

Convert mph to  

Valid units must be of the speed type.
You can use this form to select from known units:

Convert mph to  

I'm feeling lucky, show me some random units


›› 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.


›› Sample conversions: mph

mph to league/hour [statute]
mph to inch/day
mph to micrometre/second
mph to kilometre/day
mph to megametre/hour
mph to foot/second
mph to mile/day
mph to speed of light [air]
mph to hectometre/hour
mph to speed of light [water]