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Pump & Motor Tools

Hydraulic pump and motor calculators for flow, pump sizing, power, motor speed, torque and gear pump displacement.

Start With Pump Flow Open Power Calculator

6Pump & motor tools

kWPower calculations

RPMSpeed calculations

NmTorque calculations

Featured Tools

Most useful

Pump Flow Calculator

Calculate hydraulic pump flow from displacement, RPM and volumetric efficiency.

Hydraulic Power Calculator

Calculate hydraulic power and estimated motor power from flow and pressure.

Pump Sizing Calculator

Work backwards from target flow and RPM to calculate required pump size.

Pump Calculators

Flow, size & displacement

Pump Flow Calculator

Calculate pump output flow from cc/rev, RPM and efficiency.

Pump Sizing Calculator

Calculate required pump displacement from target flow and RPM.

Gear Pump Displacement

Estimate external gear pump displacement from physical measurements.

Motor Calculators

Speed & torque

Motor Speed Calculator

Calculate hydraulic motor RPM from flow, displacement and efficiency.

Motor Torque Calculator

Calculate hydraulic motor torque from pressure and displacement.

Power Tool

Motor sizing

Hydraulic Power Calculator

Calculate hydraulic power in kW and HP from pressure, flow and efficiency.

Not sure where to start?

If you know the pump displacement and RPM, start with Pump Flow. If you know the flow you need and want to select a pump, use Pump Sizing. For electric motor or engine sizing, use the Hydraulic Power Calculator.

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