Estimate the ROAS needed to cover a contribution margin.
Use the example inputs or enter your own values.
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Break-even ROAS = 1 / contribution margin as a decimal. A 40% margin needs a 2.5× revenue-to-ad-spend ratio.
Enter contribution margin before ads (%). Update the result, inspect it, then copy or download the output. Reset restores the example inputs so you can start a new calculation.
Example inputs: Contribution margin before ads (%): 40.
The estimate assumes the stated margin already accounts for relevant non-ad variable costs. It excludes fixed overhead and attribution uncertainty.
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