PRIX TOOLS / Ecommerce calculators
Selling Price Calculator
Calculate a selling price from costs, fixed fees and percentage deductions with a visible target-margin formula.
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Selling Price Calculator — steps and download
Enter unit cost, fixed expenses, percentage fees and target margin. Review the suggested price, compare margin scenarios and download the summary.
Why must margin plus percentage fees stay below 100%?
The formula is (cost + fixed expenses) / (1 − fee − margin). A zero or negative denominator cannot produce a positive selling price.
Frequently asked questions
How is target margin applied?
Without percentage fees, price = cost / (1 − margin). Percentage fees enter the denominator only when they share the same sales base.
Why must margin plus percentage fees stay below 100%?
The formula is (cost + fixed expenses) / (1 − fee − margin). A zero or negative denominator cannot produce a positive selling price.
Are my files and input data uploaded?
Tool processing runs on your device; file and form contents are not sent to a server for processing. Loading the website still creates standard web requests. Using a contact link is a separate action.
Do I need an account or API key?
No account or API key is required for the tool. Use is free within the file, operation and device limits stated on the page.