Pump & Motor Tools
Hydraulic pump and motor calculators for flow, pump sizing, power, motor speed, torque and gear pump displacement.
6Pump & motor tools
kWPower calculations
RPMSpeed calculations
NmTorque calculations
Featured Tools
Most useful
Most Used
Pump Flow Calculator
Calculate hydraulic pump flow from displacement, RPM and volumetric efficiency.
High ValueHydraulic Power Calculator
Calculate hydraulic power and estimated motor power from flow and pressure.
Reverse CalcPump Sizing Calculator
Work backwards from target flow and RPM to calculate required pump size.
Pump Calculators
Flow, size & displacementMotor Calculators
Speed & torquePower Tool
Motor sizing
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.