Enter the total amount of estrogen (pg/mL) and the total amount of progesterone (pg/mL) into the Estrogen to Progesterone Ratio Calculator. The calculator will evaluate and display the Estrogen to Progesterone Ratio.

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## Estrogen to Progesterone Ratio Formula

The following formula is used to calculate the Estrogen to Progesterone Ratio.

**EPR = E / P **

- Where EPR is the Estrogen to Progesterone Ratio
- E is the total amount of estrogen (pg/mL)
- P is the total amount of progesterone (pg/mL)

## How to Calculate Estrogen to Progesterone Ratio?

The following example problems outline how to calculate Estrogen to Progesterone Ratio.

Example Problem #1:

- First, determine the total amount of estrogen (pg/mL).
- The total amount of estrogen (pg/mL) is given as: 20.

- Next, determine the total amount of progesterone (pg/mL).
- The total amount of progesterone (pg/mL) is provided as: 15.

- Finally, calculate the Estrogen to Progesterone Ratio using the equation above:

EPR = E / P

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

EPR = 20 / 15 = 1.33

Example Problem #2:** **

For this problem, the variables required are provided below:

total amount of estrogen (pg/mL) = 20

total amount of progesterone (pg/mL) = 30

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

EPR = E / P ** = ?**