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

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