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ROAS & Advertising ROI Calculator
Understand revenue per ad dollar and estimated net profit after costs.
Estimate advertising efficiency
COGS/fulfilment costs not included in ad spend.
Use the same currency for every number. Estimates exclude overhead, taxes and attribution uncertainty.
Return on ad spend (revenue ÷ ad spend)
Revenue − ad spend − direct costs
Simple ROI on listed costs
Helpful context
Questions about this tool
What is the ROAS formula?
ROAS = attributed revenue ÷ advertising spend. If spend is zero, ROAS is undefined; the calculator reports an input error.
How is ROI different from ROAS?
The simple ROI shown is (revenue − ad spend − other entered direct costs) ÷ (ad spend + entered direct costs) × 100. It excludes unentered costs and does not verify attribution.
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