Top Speed RPM Calculator

Velocity is a physical vector quantity; both magnitude and direction are needed to define it. The scalar magnitude of velocity is called "speed", which is being measured in the SI units as meters per second (m/s) or as the SI base unit of (m⋅s−1). Revolution per minute(RPM) is the measure of the frequency of rotation. Use this online top speed RPM calculator tool that determines the top velocity of the motor or engine given the diameter and revolutions per minute values.


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The amount that the top speed will be reduced by resistance depends on many factors such as the power of the motor, weight of the vehicle and rider, size and air pressure of the tires, incline degree that the vehicle is going up, and headwind. The top speed could also be increased above the top speed RPM calculation by riding down hill, or riding with a strong wind against your back.