Finance
Profit Margin Calculator
Compare a product's cost with its selling price to see gross profit, profit margin, and markup percentage.
Trust note
Calculations happen instantly in your browser. No account, API, or data submission is required.
Finance calculator
Enter your numbers
Results update as you type. Amounts are shown in USD for convenience; use the same currency for all inputs.
Result
Enter the requested values to see your estimate.
Formulas
- Gross profit = selling price - cost
- Profit margin = (gross profit / selling price) × 100
- Markup = (gross profit / cost) × 100
Worked examples
$60 cost, $100 selling price
Gross profit is $40, margin is 40%, and markup is 66.67%.
FAQ
What is the difference between margin and markup?
Margin compares profit with the selling price. Markup compares profit with the cost.
Can profit margin be negative?
Yes. If the selling price is below cost, the calculator shows a loss and a negative margin.