Variable costs may be covered; verify incrementality and scale limits.
Break-even ROAS calculator
Use gross margin and variable fees to calculate the minimum ROAS needed to avoid a negative advertising contribution.
No CSVNo sign-upRuns in your browser
YOUR ASSUMPTIONSChange a number. The answer updates immediately.
CALCULATED ANSWER
Minimum ROAS182% · 1.82×
Ad contribution margin55.0%
Set the minimum ROAS from the margin left after product and variable costs.
FORMULA
Allocate budget with channel ROAS →1 ÷ (gross margin − variable fees)HOW TO READ IT
Use the answer as a decision boundary
Revenue can grow while advertising contribution remains negative.
Questions before using this number
What does 300% ROAS mean?
It means 3× revenue for each unit of advertising cost.
Why does gross margin matter?
ROAS measures revenue, not profit. Break-even needs the share of revenue that remains after direct costs.