Profit Margin Calculator
Calculate gross profit margin percentage and markup from cost and selling price — essential for pricing products and services.
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Cost Price
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Selling Price
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Gross Profit
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Gross Margin
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Markup %
Gross Margin = (Selling Price − Cost) ÷ Selling Price × 100
Markup = (Selling Price − Cost) ÷ Cost × 100
Markup = (Selling Price − Cost) ÷ Cost × 100
Frequently Asked Questions
Is the Profit Margin Calculator free?
Yes — the Profit Margin Calculator is completely free to use with no account or sign-up required.
Is my data private?
Absolutely. This tool runs entirely in your browser. Your text and data are never sent to any server.
Does it work on mobile?
Yes, all tools are designed to be mobile-friendly and responsive.