Hydraulic Pump Flow or Displacement Calculator

This calculator enables you to calculate the Flow Rate, Volumetric Displacement or speed of a Hydrulic Pump.

To use this calculator, either enter the flow, rpm and efficiency to get the displacement,

or enter the rpm, efficiency and displacement to get the flow.

Select your unit types as required, if you need further conversions use our universal converter.

Pump Speed for AC Motors this is commonly 1450 or 2850rpm

Displacement ranges from 0.17cm³ to 90cm³

Pump efficiency is in the range of 0.85 and 0.95