How to use the Gross Margin Calculator
Calculate gross margin percentage, gross profit and cost ratio from revenue and COGS.
Calculation formula
Gross profit = selling price − cost of goods sold; gross margin = gross profit ÷ selling price × 100.
Recommended steps
- Enter values using the units shown beside each field.
- Review whether the example assumptions match your situation.
- Run the calculator and compare the key metrics.
- Use the source data or official rates when precision matters.
Known limitations
Gross margin excludes selling expenses, taxes and other operating costs.
Open the calculator →