Miles per hour
|Miles per hour|
|Imperial, United States customary units|
|1 mph in ...||... is equal to ...|
Speed limits and road traffic speeds in some countries and territories are indicated in miles per hour, as follows (all other countries use
Road traffic speeds in other countries are indicated in kilometres per hour, while occasionally both systems are used. For example, in Ireland, a judge considered a speeding case by examining speeds in both kilometres per hour and miles per hour. The judge was quoted as saying the speed seemed "very excessive" at 180 km/h but did not look "as bad" at 112 mph; a reduced fine was still imposed on the speeding driver.
Miles per hour is the unit also used in the Canadian rail system, which uses km/h on roads.