Finance

Operating Margin

Operating margin is operating income divided by revenue. It reflects profitability after operating expenses.

Written by MetricKit EditorialReviewed by MetricKit Editorial ReviewUpdated 2026-01-23
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Definition

Operating margin is operating income divided by revenue. It reflects profitability after operating expenses.

Formula

Operating margin = operating income / revenue

Measured as

Operating margin = operating income / revenue

Operator takeaway

  • Tie Operating Margin to the same balance-sheet date, scenario, and decision memo you are using elsewhere in the model.
  • Document which claims, costs, or adjustments your team includes before comparing numbers across forecasts, covenants, or valuation work.

Next decision

  • Decide whether Operating Margin belongs in cash planning, valuation, or debt monitoring so the number is used in the right model.
  • If the number changes, trace the timing, policy, or balance-sheet assumption behind it before you react.