Profit Margin Calculator
Enter revenue and cost to calculate gross profit, margin percentage, and markup instantly.
100% client-side · no upload
Gross Profit
$400.00
Profit Margin
40.00%
Markup
66.67%
How to use the profit margin calculator
- Enter the selling price or revenue for the product or service.
- Enter the cost of goods sold (COGS) — direct production or purchase cost.
- The calculator instantly shows gross profit, margin, and markup.
Margin vs. markup — what is the difference?
Profit margin is calculated as profit divided by revenue: (Revenue − Cost) / Revenue × 100. A 40% margin means 40 cents of every dollar of revenue is profit.
Markup is profit expressed as a percentage of cost: (Revenue − Cost) / Cost × 100. A 67% markup means you charged 67% more than it cost you.
Common use cases
- Retail pricing: Set a selling price that hits your target margin.
- Service business: Verify that project revenue covers costs and leaves enough profit.
- Business reporting: Track whether margin is improving or deteriorating quarter-over-quarter.
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常见问题
- Is this profit margin calculator free?
- Yes, completely free. No signup required.
- Does my data leave my device?
- No. All calculations happen in your browser. Your business figures are never uploaded.
- Does it work on mobile?
- Yes. The profit margin calculator is mobile-first and works on any modern smartphone browser.