Answer: 55 mph = 88.5139 km/h
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One kilometer per hour = 0.621371 miles per hour so: Kph x 0.621371=Mph
Miles per hour Kilometer per hour Ft per sec
0.0026 miles per second.
"Kilometer" is a unit of length, while "mile per hour" is a unit of speed. They're different units, so they can't be directly converted. 65 miles = 104.607 kilometers 65 miles per hour = 104.607 kilometers per hour 65 miles per second = 104.607 kilometers per second 65 miles per minute = 6,276.44 kilometers per hour
100 miles per hour = 100*1.609344 kilometres per hour = 160.9344 kilometres per hour = 160.9344/3600 kilometres per second = 0.0447 km per sec (approx).