Enter the applied pressure (psi) and the applied area (in^2) into the Calculator. The calculator will evaluate the Extension Force.

## Extension Force Formula

EF = AP * A

Variables:

- EF is the Extension Force (lbf)
- AP is the applied pressure (psi)
- A is the applied area (in^2)

To calculate Extension Force, multiply the applied pressure by the applied area.

## How to Calculate Extension Force?

The following steps outline how to calculate the Extension Force.

- First, determine the applied pressure (psi).
- Next, determine the applied area (in^2).
- Next, gather the formula from above = EF = AP * A.
- Finally, calculate the Extension Force.
- After inserting the variables and calculating the result, check your answer with the calculator above.

**Example Problem : **

Use the following variables as an example problem to test your knowledge.

applied pressure (psi) = 40

applied area (in^2) = 20