The Online Conversion
Calculator helps to convert Miles per hour to km per hour (mph to
km/h) and km/h to mi/h (kilometers/hour to mph (miles/hour) conversion).
Miles per hour is a unit of speed, expressing the number of international
miles covered per hour. Miles per hour is the unit used for speed
limits on roads in the United Kingdom, United States and various
other nations, where it is commonly abbreviated in everyday use
to mph or MPH, although mi/h is sometimes used in technical publications.