How this calculator works
Enter selling price or revenue and the associated cost. Margin measures profit as a percentage of the selling price.
Formula
Margin % = (Revenue − Cost) ÷ Revenue × 100
When to use it
Use it to test whether a price leaves enough room for overhead, acquisition costs and profit.
Important
This calculator is for estimation and planning. Actual financial outcomes can differ because of taxes, fees, timing, market conditions, lender terms and other factors.