Units of measurement
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Calculations
Kilometer per hour (km/h)
Mile per second (mi/s)
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Information
Kilometer per hour (km/h)
Kilometer per hour (km/h) is a unit of speed equal to one kilometer traveled per hour. It is commonly used to measure vehicle speeds.
Mile per second (mi/s)
Mile per second (mi/s) is a unit of speed equal to one mile traveled per second. It is used for high-speed measurements, such as in astronomy.