Guide
What Break-even ROAS Actually Means
Break-even ROAS is not a growth slogan. It is the acquisition threshold where contribution profit falls to zero.
What it means
Break-even ROAS is the return on ad spend at which the order no longer loses money after variable costs. If you spend more than that threshold to acquire the order, contribution profit turns negative.
Why it matters
Teams often set ROAS targets from habit or platform recommendations. That creates false confidence if the target ignores discounts, fees, or returns.
Simple formula
Break-even CAC = adjusted revenue - variable costs excluding ads.
Break-even ROAS = adjusted revenue / break-even CAC.
Common mistakes
- Using top-line revenue instead of net revenue after discounts.
- Ignoring blended fees and return allowances.
- Assuming blended channel metrics apply to every campaign.
- Calling break-even an acceptable operating target.
Practical example
If adjusted revenue is $75 and non-ad variable costs are $50, break-even CAC is $25 and break-even ROAS is 3.0. Any campaign below that efficiency loses money before fixed overhead.
Related tool
Use the break-even ROAS calculator to estimate the CAC ceiling and compare scenario outcomes across multiple ROAS levels.