👋 Hello! I'm Alphonsio the robot. Ask me a question, I'll try to answer.
how to convert km/h to rpm
The formula to convert a linear velocity expressed in kilometres per hour [km/h] to an angular velocity expressed in revolutions per minute [rpm] is given by:
Where:

is the linear velocity expressed in kilometres per hour (km/h) 
is the angular velocity expressed in revolution per minute (rpm) 
is the radius expressed in meters (m)