Enter the operating expenses ($) and the sales ($) into the Operating Ratio Calculator. The calculator will evaluate and display the Operating Ratio.

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## Operating Ratio Formula

The following formula is used to calculate the Operating Ratio.

**OPR = E / S * 100**

- Where OPR is the Operating Ratio (%)
- E is the operating expenses ($)
- S is the sales ($)

## How to Calculate Operating Ratio?

The following example problems outline how to calculate Operating Ratio.

Example Problem #1:

- First, determine the operating expenses ($).
- The operating expenses ($) is given as: 300.

- Next, determine the sales ($).
- The sales ($) is provided as: 1000.

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

OPR = E / S * 100

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

OPR = 300 / 1000 * 100 = 30.00 (%)

Example Problem #2:** **

For this problem, the variables required are provided below:

operating expenses ($) = 50

sales ($) = 100

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

OPR = E / S * 100** = ?**