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Pump Head and Power Calculator vs Centrifugal Pump Sizing and Power Calculator

Two calculators for the same neighbourhood of questions. Here is what each measures, what you feed in, and where you'd reach for one over the other.

Chemical Engineering

Pump Head and Power Calculator

Calculate the shaft power required to drive a centrifugal pump given flow rate, static head, friction losses, and pump efficiency. Use this when sizing pumps for piping systems.

Answers
Required Pump Power (W)
Inputs
Flow Rate, Static Head, Friction Loss, Fluid Density, Pump Efficiency
Chemical Engineering

Centrifugal Pump Sizing and Power Calculator

Determine the brake horsepower required to drive a centrifugal pump given flow rate, total head, and fluid properties. Used by engineers during pump selection and system design to match motor size to process requirements.

Answers
Brake Horsepower Required (HP)
Inputs
Flow Rate, Static Head, Friction Loss, Specific Gravity, Pump Efficiency

At a glance

Pump Head and Power CalculatorCentrifugal Pump Sizing and Power Calculator
CategoryChemical EngineeringChemical Engineering
AnswersRequired Pump PowerBrake Horsepower Required
Inputs55
Result unitWHP

When to use each

Calculate the shaft power required to drive a centrifugal pump given flow rate, static head, friction losses, and pump efficiency. Use this when sizing pumps for piping systems.

Determine the brake horsepower required to drive a centrifugal pump given flow rate, total head, and fluid properties. Used by engineers during pump selection and system design to match motor size to process requirements.

Compare page seeded from editorial siblings — both calculators list each other as related.