Profit Margin Calculator
Calculate profit, gross margin %, and markup % — nothing is uploaded.
Profit—
Gross Margin—
Markup—
This is a simplified estimate. Not financial advice.
Calculate profit margin online
Enter your cost and revenue to instantly see gross profit, margin percentage, and markup percentage. All calculations happen in your browser — no data is ever sent anywhere.
Margin vs. Markup
Gross margin % expresses profit as a share of revenue: (profit ÷ revenue) × 100.
Markup % expresses profit as a share of cost: (profit ÷ cost) × 100.
FAQ
Is my data sent anywhere? No — everything runs locally in your browser.