Advertising ROI calculator
Calculate advertising return and return on ad spend.
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Break-even ROAS calculator
Estimate the ad return required to cover your gross margin.
Templates and calculations run locally in your browser. No generative AI or paid API is used. Review results before use.
Understand the calculation
Break-even ROAS = 100 ÷ gross margin percentage.
A practical example
At a 40% gross margin before advertising, the simplified break-even ROAS is 2.5×.
What this tool cannot tell you
Use margin before advertising. Fixed overheads, returns, and taxes are excluded from this simplified estimate.
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