Profit Margin Calculator
Calculate gross profit margin and markup from cost and revenue
How to use Profit Margin Calculator
Free profit margin calculator. Enter cost and selling price to get gross profit margin percentage and markup. Used by retailers, freelancers, and businesses.
Frequently asked questions
Margin = profit ÷ revenue. Markup = profit ÷ cost. A 50% markup gives a 33% margin. They are often confused — this tool shows both.