Enter the total perimeter length (in) and the total area (in^2) into the Perimeter Ratio Calculator. The calculator will evaluate and display the Perimeter Ratio.

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## Perimeter Ratio Formula

The following formula is used to calculate the Perimeter Ratio.

**PRR = PL / TA**

- Where PRR is the Perimeter Ratio (1/in)
- PL is the total perimeter length (in)
- TA is the total area (in^2)

## How to Calculate Perimeter Ratio?

The following example problems outline how to calculate Perimeter Ratio.

Example Problem #1:

- First, determine the total perimeter length (in).
- The total perimeter length (in) is given as: 50.

- Next, determine the total area (in^2).
- The total area (in^2) is provided as: 600.

- Finally, calculate the Perimeter Ratio using the equation above:

PRR = PL / TA

The values given above are inserted into the equation below and the solution is calculated:

PRR = 50 / 600 = .0833 (1/in)

Example Problem #2:** **

For this problem, the variables required are provided below:

total perimeter length (in) = 70

total area (in^2) = 800

Test your knowledge using the equation and check your answer with the calculator above.

PRR = PL / TA** = ?**