Hydraulic Motor Speed Calculator

Find the output speed of a hydraulic motor with this
Hydraulic Motor Speed Calculator.

Flow (GPM):
Motor Displacement (Cubic Inches):
Fill in input flow and displacement of the motor to determine
output speed.

How do you calculate hydraulic motor speed?

To find the output speed of a hydraulic motor, use the hydaulic motor
speed formula:
Output RPM = (231 x Flow Rate) / Motor Displacement

Flow Rate = Rate of flow into motor in Gallons Per Minute (GPM)

Motor Displacement = Cubic Inches per Revolution

Example: The output speed of a motor with 25 GPM flow rate and
2.75 cubic inches of displacement is:

Speed (RPM) = (231 x 25) / 2.75

Calculated out this gives an output speed of 2100 RPM.

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