ROAS to ACOS Calculator
Convert ad spend and revenue into ROAS, ACOS, and a margin-aware break-even reference.
Also useful for: acos calculator roas calculator roas to acos converter advertising cost of sales calculator ROAS to ACOS Calculator
ROAS to ACOS Calculator
Runs in your browser. Inputs are not uploaded.ROAS to ACOS Calculator Example Run
Convert ad spend and revenue into ROAS and ACOS.
Sample inputs Ad spend: 250 Revenue: 1250 Gross margin: 35 Generated result Summary: ROAS 5.00x and ACOS 20.0%. Stats - Roas: 5.00 - Acos: 20.0% Issues - No issues found. Output Spend: $250.00 Revenue: $1250.00 ROAS: 5.00x ACOS: 20.0% Break-even ACOS at 35% margin: 35.0%
What the ROAS to ACOS Calculator Checks
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Spend and revenue
Both values must be greater than zero for a meaningful ROAS and ACOS result.
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ROAS calculation
Revenue divided by ad spend is shown as an x multiple.
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ACOS calculation
Ad spend divided by revenue is shown as a percentage.
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Margin reference
Optional gross margin is converted into a break-even ACOS reference.
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Arithmetic-only scope
The tool does not import ad-platform data or account for refunds, fees, or attribution windows.
ROAS to ACOS Calculator Questions
- Q: Does the ROAS to ACOS calculator upload my ad numbers? A: No. Inputs are processed in your browser, and pasted content is not sent to analytics or a server.
- Q: What should I paste into the ROAS to ACOS calculator? A: Enter ad spend, attributed revenue, and optionally gross margin.
- Q: What can I copy or download? A: You can copy the ROAS, ACOS, and break-even ACOS summary.
- Q: What does the ROAS to ACOS calculator not verify? A: It does not connect to ad platforms, reconcile attribution, include marketplace fees, or make bidding recommendations.
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Updates
- v1.0.0 New 2026-05-17: Initial ROAS, ACOS, and break-even ACOS calculations added.