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Miles per Hour to Kilometers per Second
Convert measurements between Miles per Hour and Kilometers per Second.
Common conversions
100mph = 0.0447 km/s
500mph = 0.2235 km/s
1000mph = 0.447 km/s
2400mph = 1.0729 km/s
3200mph = 1.4305 km/s
5500mph = 2.4587 km/s
Conversion information
1 Miles per Hour = 0.00044704 Kilometers per Second
The mile per hour is the standard velocity unit in the United States
The kilometer per second is used in astronomy and physics
Frequently Asked Questions
What is a mile per hour?
It is the standard speed unit in the United States.
Where is mph used?
In cars and road signs in English-speaking countries.
What is a kilometer per second?
It is a speed unit used in astronomy and physics.
Where is km/s used?
In space studies and astronomical calculations.