Enter the average pump power output (watts) and the run time of the pump (min) into the calculator to determine the Pump Energy.

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## Pump Energy Formula

The following equation is used to calculate the Pump Energy.

Epump = AP * T*60

Variables:

- Where Epump is the Pump Energy (Joules)
- AP is the average pump power output (watts)
- T is the run time of the pump (min)

To calculate the pump energy, multiply the average pump power by the run time of the pump in minutes, then multiply by 60.

## How to Calculate Pump Energy?

The following two example problems outline the steps and information needed in order to calculate Pump Energy.

**Example Problem #1:**

- First, determine the average pump power output (watts). In this example, the average pump power output (watts) is measured to be 50.
- Next, determine the run time of pump (min). For this problem, the run time of pump (min) is calculated to be 40.
- Finally, calculate the Pump Energy using the formula above:

Epump = AP * T*60

Inserting the values from above and solving the equation with the imputed values gives:

Epump = 50 * 40*60 = 120,000 (Joules)

**Example Problem #2: **

Using the same process as example problem 1, we first define the needed variables outlined by the formula. In this case, the values are provide as:

average pump power output (watts) = 38

run time of pump (min) = 49

Entering these values into the formula or calculator above gives us:

Epump = 38 *49*60 = 111720** **(Joules)