Operating margin
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Operating Margin Calculator
Operating Margin Calculator is a ratio worksheet. Default 63 / 100.
Page updated 2026-09-14.
Calculator
Calculated Results
x : 1
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Operating margin in one line
Operating margin = operating income / revenue, expressed as a percentage. Revenue minus COGS and operating expenses, before interest and tax.
On the defaults, 18 of operating income against 100 of revenue works out to 18.0%.
Reading the result
This is one line of a larger income statement. Compare it against the Gross Profit Margin Calculator to see how it fits with a related metric, and track it over multiple periods rather than judging a single snapshot.
Frequently Asked Questions (FAQ)
How is operating margin calculated?
Operating margin = operating income / revenue x 100. Revenue minus COGS and operating expenses, before interest and tax. Defaults: 18 / 100 = 18.0%.
Why do I see both a percent and an "x: 1" figure?
The percent is the margin most people quote. The "x: 1" figure is the same division shown as a raw ratio (for example 0.62: 1) instead of a percentage, which is the convention some ratio metrics use on financial statements.
What counts as the denominator?
Use whatever revenue figure matches the period you are analyzing -- monthly, quarterly, or annual -- as long as the numerator (operating income) covers the same period.
Is a higher or lower number better?
Higher is generally better for a margin: it means more of each revenue dollar turns into profit at that stage of the income statement. Compare against your own trend over time and against public companies in the same industry, since healthy margins vary a lot by sector.
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