As the Earth rotates around 1,000 mph, it also moves at a speed of about 67,000 mph as it orbits the sun.

1 mph = 1.609344* km/hr

1 mph = 88* ft/min

1 mph = 0.44704* m/s

1 m/s = 3.6* km/hr

1 ft/s = 0.3048* m/s

1 ft/s = 1.09728* km/hr

1 knot(intnl) = 1.852* km/hr

1 c = 299792458* m/s

* Exact conversions

1 mph = 88* ft/min

1 mph = 0.44704* m/s

1 m/s = 3.6* km/hr

1 ft/s = 0.3048* m/s

1 ft/s = 1.09728* km/hr

1 knot(intnl) = 1.852* km/hr

1 c = 299792458* m/s

* Exact conversions