RPM to KMPH Converter

The following tool converts rpm (revolutions per minute) to km/h (kilometer per hour) for a vehicle.

Wheel Speed (rpm):


Wheel Radius (m):


Vehicle Speed (km/h):


RPM to km/h Conversion

Speed in km/h = 2 * pi * r * n * 60 /1000


r = radius of the wheel in m

n = wheel speed in rpm

pi = 3.14

You can check out all the tools available here: Electric Vehicle Related Tools

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