Free and private by default
Margin & markup calculator
Enter cost and selling price to see gross margin and markup side by side. Empty fields and zero are treated differently, and currency never changes silently.
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Add your assumptions
This calculation stays in your browser. Currency is a label only; no exchange-rate conversion is performed.
How this result works
See your cost, margin and markup in seconds.
The result updates from the visible assumptions. It is planning information, not legal, tax or financial advice.