Pump Head and Power Calculator
Calculate total dynamic head, required pump power, and system efficiency
About this calculator
The Pump Head and Power Calculator is an essential tool for engineers, technicians, and system designers working with fluid pumping systems. It accurately calculates total dynamic head (TDH), which includes static head, friction losses, and velocity head components, while determining the required pump power and overall system efficiency. This calculator helps optimize pump selection, reduce energy costs, and ensure reliable system performance by providing precise calculations for pump sizing and performance evaluation.
How to use
Enter your system parameters including static head (vertical lift), pipe diameter, flow rate, pipe length, and friction factors. Input additional pressure losses from fittings, valves, and components. The calculator will compute total dynamic head, required pump power in horsepower or kilowatts, and display system efficiency to help you select the optimal pump for your application.
Frequently asked questions
What is total dynamic head in pump systems?
Total dynamic head is the total energy per unit weight that a pump must provide, including static lift, friction losses, and velocity head requirements.
How do I calculate pump power requirements?
Pump power equals flow rate times total head times fluid density, divided by pump efficiency, typically expressed in horsepower or kilowatts.
What factors affect pump system efficiency?
System efficiency depends on pump design, operating point, pipe sizing, friction losses, and how closely the pump matches system requirements.