Pump Head and Power Calculator
Works out total head and the pump power required.
Total head
— m
Share sends a link that reopens these numbers. Copy details pastes the full breakdown as a list.
Hydraulic power — W
Pump power needed — W
In horsepower — hp
Reading this —
The formula
head = lift + friction + pressure × 10.2 power = flow × density × g × head ÷ efficiency
Head is the height equivalent of everything the pump has to overcome, and power follows from lifting that mass of water per second.
What to watch out for
Pick from the manufacturer’s curve, using this as the operating point.
Frequently Asked Questions
What is pump head?
The height a pump could raise water. It lets lift, friction and outlet pressure be added in one unit.