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Brake Horsepower Calculator

Brake Horsepower is defined as the actual or useful horsepower of an engine that is determined from a force exerted on a friction brake. Here the horsepower of an engine is recorded on a device called dynamometer. The advanced online Brake Horsepower Calculator is useful in calculating the brake horsepower of an engine by using the formula.

Brake Horsepower Calculator

gpm
ft
HP

Table of Contents:

    Formula

    BHP = 100QH/3960n

    Where,
    Q = Flow Rate or Discharge
    H = Total Head
    n = Pump Efficiency

    The Brake Horsepower is termed as the dynamometer connected to the drive shaft.

    Example:
    Calculate the Brake Horsepower (Water Horsepower) for the given details.
    Flow Rate or Discharge (Q) = 25 gpm
    Total Head (H) =15 ft
    Pump Efficiency (n) = 5

    Solution:
    Apply Formula:
    BHP = 100QH/3960n
    BHP = 100*25*15/3960*5
    BHP = 1.89 HP