Break-even ROAS & CPA Calculator
Find the return on ad spend and cost per sale you need to break even and hit your profit target, and check how a campaign is doing.
Runs entirely in your browser. Nothing you type is sent to me or stored on a server.
How to use it
- Enter your average sale value and gross margin. Be honest about costs, as this is where most ROAS targets go wrong.
- Add the profit you want to keep per sale to see your target ROAS and cost per sale.
- Optionally, add a campaign’s spend and revenue to see whether it’s really making money.
Break-even ROAS = 1 ÷ gross margin. Break-even cost per sale = sale value × gross margin. Results are estimates and don’t include overheads or lifetime value.
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