About the Operating Margin Calculator
Operating margin: operating income (EBIT) as a percentage of revenue — how efficiently the core business earns.
Also known as: ebit margin, operating profit margin.
How to use this calculator
- Enter operating income (ebit), revenue.
- The result updates instantly as you type — press Calculate (or Enter) at any time.
- Open “Step-by-step” to see how the answer was worked out.
- Use Copy result or Share to save the answer or send a link with your inputs.
Formula
Operating margin = Operating income (EBIT) ÷ Revenue × 100
Worked example
Using the values pre-filled in the calculator above:
- Operating income (EBIT) = 65,000
- Revenue = 420,000
the calculator returns:
- Operating margin: 15.48%
Working
Operating margin = 65,000 ÷ 420,000 × 100 = 15.4762%