Plumbing and hydraulics calculators

Size pipes, pumps and booster sets, and work out flows and pressures for water and irrigation systems.

• Water pump power calculatorHP and kW from flow and head.
• Pipe friction loss calculatorHead loss and velocity.
• Pipe size calculatorMinimum diameter and standard pipe.
• Pressure and head converterpsi ↔ bar ↔ ft of head ↔ kPa.
• Tank volume and fill time calculatorLiters, gallons and fill time.
• Booster pump sizing for buildingsPeak flow and pump pressure.
• Drip irrigation calculatorFlow, emitters and water use.