Operating Margin Calculator

Operating margin shows what share of revenue is left after operating costs, before interest and taxes.

Your details

Operating income$Revenue$

Operating margin

20.00%

Operating margin20.00%

Formula

Operating margin = operating income ÷ revenue × 100.

Sources & methodology

•U.S. SBA — business guides — U.S. SBA

Last updated: 2026-07-20

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