RPM to kMPH, KMPS Conversion Calculator

RPM to kMH Calculator:

Enter the speed in revolution per minute, diameter in meter then press the calculate button to get the kilo meter per hour value.

Enter Wheel Diameter: M
Enter Speed RPM
   
Result – Speed: KMPH
Result – Speed: KMPS

 

RPM to kMH calculation

Speed of the motor in v(kMH) in kilometer per hour is equal to 0.1885 times of the speed N(RPM) multiply by diameter D(m) in meter. The formula for converting Rpm to kmph formula can be written as,

Vehicle speed = 0.1885 * Wheel RPM * diameter of the tire.

v(kMH) = 0.1885 * N(RPM) * D(m)

Look at this formula, the speed is directly proportional to the rpm and the diameter of the driving mechanism.

Example:

Let us calculate the rpm to kmh of the car; the 250 mm diameter of the tire is rotating at 980 revolution per minute.

Apply our formula,

Speed of the car in kMH = 0.1885 * 980 * 0.25 = 43.2 kmph.

Learn More:   Reverse Activation Energy Calculator, Formula, Reverse Activation Energy Calculation

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