Enter the net head distance (m) and the water flow rate (L/s) into the calculator to determine the Water Wheel Power.

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## Water Wheel Power Formula

The following formula is used to calculate the Water Wheel Power.

**Pww = H*Q*g**

- Where Pww is the Water Wheel Power (watts)
- H is the net head distance (m)
- Q is the water flow rate (L/s)
- g is the acceleration due to gravity (9.81 m/s^2)

## How to Calculate Water Wheel Power?

The following two example problems outline how to calculate the Water Wheel Power.

**Example Problem #1:**

- First, determine the net head distance (m). In this example, the net head distance (m) is measured to be 3.
- Next, determine the water flow rate (L/s). For this problem, the water flow rate (L/s) is calculated to be 100.
- Finally, calculate the Water Wheel Power using the formula above:

Pww = H*Q*g

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

Pww = 3*100*9.81 = 2943 (watts)

**Example Problem #2: **

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

net head distance (m) = 5

water flow rate (L/s) = 140

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

Pww = 5*140*9.81 = 6867 (watts)