Units of measurement
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Mile per hour (mph)
Knot (kn)
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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.
Knot (kn)
Knot (kn) is a unit of speed used in maritime and aviation navigation, equal to one nautical mile per hour (approximately 1.852 km/h).