The SMB Profit Margin Calculator

Most owners can quote revenue and net profit, and have no idea what happens in between. This works the three margins line by line so you can see exactly where it goes.

Gross, operating and net margin written out as formulas, with every input defined
A fully worked example you can check your own arithmetic against
Blank worksheets for your last twelve months
Which margin actually moves when you change price, and by how much

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General business information only. Not legal, tax, accounting or financial advice.