What is gross margin?
(Selling price − Cost) ÷ Selling price × 100.
Pricing and gross profit math
Margin Calculator
Calculate gross margin, markup, selling price, cost, and gross profit from the values you know. The formula stays visible with every valid result.
Private by design. Entered values and results stay in this browser page. The calculator does not upload your pricing data or maintain a calculation history.
More ways to solve
Calculate margin and markup from cost and selling price.
Find the selling price for a target gross margin.
Find selling price and margin from cost and markup.
Find cost and markup from selling price and margin.
Solve from cost and gross profit.
Solve from selling price and gross profit.
Solve from selling price and markup.
Solve the monetary scale from gross profit and margin.
Solve the monetary scale from gross profit and markup.
Convert margin and markup without inventing a monetary amount.
Quantity scales revenue, cost, and gross profit. It does not change margin or markup.
What is markup?
(Selling price − Cost) ÷ Cost × 100.
Margin and markup are not the same percentage
Cost 80 and price 100 gives 20% margin and 25% markup.
Price rounding can move the actual margin
The app recomputes actual margin after target-price rounding.
Undefined is different from zero
Zero selling price makes margin undefined; zero cost makes markup undefined. Infinity is never substituted.
What belongs in Cost?
The app uses the Cost you enter and does not automatically add tax, shipping, fees, labor, overhead, advertising, or returns.
Margin vs markup
Read the Margin vs Markup guide.