Fluids, hydraulics and flows
Pumps in parallel
Ideal flow addition at a common head.
Related calculators
Pump hydraulic power
Calculates hydraulic power from density, gravity, flow rate, and pump head.
Basic pump specific speed
Calculates a simplified comparative pump specific-speed indicator.
NPSHa and NPSH margin
Calculates NPSHa from absolute pressure and compares it with manufacturer NPSHr.
Pump affinity laws
Estimates the change in the same pump's parameters with speed.
Pump efficiency
Calculates efficiency from hydraulic power and shaft power.
Pump head from pressure
Converts pump pressure rise to head.