How can we convert km per hr to m per second? Suppose 50 km per hr to metre per sec how? Share with your friends Share 0 Debalina Deb answered this Dear student, 1 km/hr =1 km1 hr=1000 m3600 sec=518m/secso, 50km/hr = 50×518=13.89 m/sec Regards, 0 View Full Answer Shweta Jha answered this Hiii class 10 exam has cancelled CBSE 0