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How to convert Kilometers Per Second to Meters Per Hour (km/s to m/h)? 1 km/s = 3599997.1200023 m/h. 1 x 3599997.1200023 m/h = 3599997.1200023 Meters Per Hour. Always check the results; rounding errors may occur.
Definition: In relation to the base unit of [speed] => (meters per second), 1 Kilometers Per Second (km/s) is equal to 1000 meters-per-second, while 1 Meters Per Hour (m/h) = 0.000277778 meters-per-second.