Enter the theoretical pounds of steam consumed (lbs) and the actual steam consumed (lbs) into the calculator to determine the Turbine Efficiency.

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## Turbine Efficiency Formula

The following formula is used to calculate the Turbine Efficiency.

**Eturbine = WSCt / WSCa *100**

- Where Eturbine is the Turbine Efficiency (%)
- WSCt is the theoretical pounds of steam consumed (lbs)
- WSCa is the actual steam consumed (lbs)

## How to Calculate Turbine Efficiency?

The following two example problems outline how to calculate the Turbine Efficiency.

**Example Problem #1:**

- First, determine the theoretical pounds of steam consumed (lbs). In this example, the theoretical pounds of steam consumed (lbs) is given as 5000.
- Next, determine the actual steam consumed (lbs). For this problem, the actual steam consumed (lbs) is given as 13000.
- Finally, calculate the Turbine Efficiency using the equation above:

Eturbine = WSCt / WSCa *100

Inserting the values from above and solving the equation:

Eturbine = 5000 / 13000*100 = 38.4 (%)

**Example Problem #2: **

Using the same process as above, first define the variables required by the formula. In this case, these values are:

theoretical pounds of steam consumed (lbs) = 6000

actual steam consumed (lbs) = 12000

Entering these values yields:

Eturbine = 6000/12000 *100 = 50 (%)