Calculate operating margin and operating income from revenue, COGS, and operating expenses with industry benchmark comparisons.
Operating margin measures how much revenue remains after the costs this calculator classifies as COGS and operating expenses. Enter revenue, cost of goods sold, and operating expenses for one reporting period. The tool subtracts both cost groups to find operating income, divides that result by revenue, and places the percentage alongside industry benchmark comparisons. The most common input mistake is counting a cost in both COGS and operating expenses. That duplication understates operating income and margin, so the two cost entries should be mutually exclusive.
A concrete input and expected output from the current implementation.
Input
Revenue: $100,000 COGS: $60,000 Operating expenses: $25,000
Expected output
Operating income: $15,000 Operating margin: 15%
Subtracting the costs gives $100,000 - $60,000 - $25,000 = $15,000. Dividing $15,000 by $100,000 gives 0.15, or 15%.
The calculator first computes operating income as revenue minus COGS minus operating expenses. A positive amount means revenue exceeds those entered operating costs; a negative amount means it does not. Interest, income tax, and other items have no separate input in this calculation, so placing them in operating expenses would change the meaning of the result.
Operating margin is operating income divided by revenue and multiplied by 100. Because revenue is the denominator, zero revenue cannot produce a meaningful percentage. The displayed industry comparison is separate from the arithmetic: it provides context for the calculated percentage, while the entered revenue and costs still determine operating income and margin.
No. Gross margin stops after COGS: ($100,000 - $60,000) / $100,000 = 40% in the example. Operating margin also deducts the $25,000 of operating expenses, producing 15%. The distinction matters for businesses with substantial selling, administrative, occupancy, or other operating costs after gross profit is calculated.
Yes, but only after checking that both companies classify costs similarly and cover comparable periods. A higher margin means more operating income per revenue dollar under the entered classifications, not necessarily better cash generation, lower risk, or stronger future performance. Industry benchmark results provide context, not a pass-fail test or valuation conclusion.
The example and behavioral notes were checked against the browser implementation. Standards and primary references below define the relevant format, formula, or platform behavior.
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