Pump Power Calculator
2021-8-27 · The shaft power - the power required transferred from the motor to the shaft of the pump - depends on the efficiency of the pump and can be calculated as. P s(kW) = P h(kW) / η (3) where . P s(kW) = shaft power (kW) η = pump efficiency. Online Pump Calculator - SI-units. The calculator below can used to calculate the hydraulic and shaft power ...