# Pump Efficiency Calculator

Pump efficiency is the amount of power or work done by the centrifugal pump to the amount of power we input into the pump. The pump efficiency can be calculated when we know water horsepower and brake horsepower of that typical pump.

Here is the formula to find the pump efficiency:

Where,
WHP = Water Horsepower [HP]
BHP = Brake Horsepower [HP]

In the below online pump efficiency calculator, enter the WHP and BHP in the respective fields and click calculate button to get the result.

 Water Horsepower (WHP): [HP] Brake Horsepower (BHP): [HP] Pump Efficiency (n): %

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