Break-Even ROAS Calculator
Calculate the minimum return on ad spend needed to break even, based on your profit margin.
Your results
Calculation breakdown
- Break-even ROAS
- 1 ÷ (Profit margin as a decimal)
Worked example
A business with a 30% profit margin needs a break-even ROAS of 3.33x just to cover its costs.
Assumptions
- Margin should be the profit margin on the product being advertised.
- Treat break-even as a floor, not a target, since it leaves no profit above ad spend.
- This doesn't account for overheads beyond the cost of goods sold.
How this calculator works
Break-even ROAS is the ad spend return needed just to cover your costs, calculated as 1 divided by your profit margin as a decimal. Use it to set a minimum performance target before a campaign becomes profitable.
Frequently asked questions
What does a break-even ROAS of 4 mean?
It means for every $1 spent on ads, you need $4 in revenue just to cover costs — anything above that is profit contribution.
How does margin affect break-even ROAS?
A lower profit margin requires a higher ROAS to break even, since there's less margin per sale to cover the ad spend.
Should I target exactly break-even ROAS?
No, treat break-even as a floor — you'll usually want a healthy buffer above it to generate actual profit and cover non-ad overheads.
Editorial review and responsibility
Reviewed by the CalcAussie editorial team on 21 September 2026. Review scope: Method, Australian terminology, material assumptions, source links and user-facing limitations.
Calculator results remain estimates based on the figures entered. Check material decisions against current official information and report a suspected error so it can be reproduced and corrected.
Results are estimates only and are not financial, tax, legal or credit advice.