INTERACTIVE TOOL
Profit margin calculator
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How to use this tool
- Enter selling price and cost in the same currency.
- Treat taxes consistently in both inputs.
- Distinguish margin on sales from markup on cost.
Automatic answerThe result updates while you change the fields.
Worked example
A sale of 100 and cost of 60 yield profit 40, margin forty percent and markup about 66.67 percent.
Assumptions and limits
This does not automatically include all business expenses; a zero sale has no defined percentage margin.
Frequently asked questions
Are margin and markup the same?+
No. They use different denominators and therefore produce different percentages.
What happens to my inputs?+
Calculation inputs are processed locally in your browser. Favorites and preferences may be saved on this device. The site may perform separate network requests for live panels; these do not include the values entered into this local calculator. Do not paste secrets into public tools.
How should I check the result?+
This does not automatically include all business expenses; a zero sale has no defined percentage margin.