Profit Margin Calculator
Enter your cost and selling price to see your gross margin, markup, and effective margin after fees and VAT. Updated for 2025/26. Free, no signup.
What this calculator does
This calculator works out your gross profit, gross margin percentage, markup percentage, and effective margin after marketplace or payment processing fees. It supports VAT-inclusive pricing and a target-margin mode that tells you the selling price needed for a desired margin.
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