Units of measurement
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Mile per hour (mph)
Millimeter per second (mm/s)
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Information
Mile per hour (mph)
Mile per hour (mph) is a unit of speed equal to one mile traveled per hour. It is used in the United States and the United Kingdom to measure vehicle and aircraft speeds.
Millimeter per second (mm/s)
Millimeter per second (mm/s) is a unit of speed equal to one millimeter traveled per second. It is used for measuring small speeds in engineering and science.