Pump Hydraulic Power Calculation
Determines the mechanical energy required to move fluid at a specified flow rate against a given pressure rise, accounting for pump efficiency and safety factors.
📖 Need the theory? Read the methodology, assumptions, and equations in the full reference guide.
1. Define Input Parameters
2. Engineering Output
Volumetric flow rate (SI) (Q_SI)
- m³/s
- m³/s
Pressure rise (SI) (DeltaP_SI)
- Pa
- Pa
Theoretical hydraulic power (P_th)
- W
- W
Shaft power (P_shaft)
- W
- W
Motor rating (P_motor)
- W
- W
Equivalent water head (H)
- m
- m
Theoretical hydraulic power (kW) (P_th_kW)
- kW
- kW
Shaft power (kW) (P_shaft_kW)
- kW
- kW
Motor rating (kW) (P_motor_kW)
- kW
- kW
Need this calculation offline?
Download Offline Excel CalculationContext & Assumptions
This calculator is used in process engineering to select pumps and motors, estimate energy costs, and ensure system reliability. It applies to water distribution, cooling loops, chemical reactors, and any closed-loop fluid system requiring precise flow and pressure control.
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The results provided by this tool are for educational and preliminary estimation purposes only.
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All results MUST be independently verified by a qualified professional engineer before implementation in any industrial or physical environment.