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ROAS: revenue per advertising dollar is not profit
Published by Navon Ventures S.A.S · October 27, 2026
Return on ad spend relates attributed revenue to advertising spend. A result of 3× means three units of attributed revenue for each unit of ad spend. This multiple does not subtract product costs, payroll or other expenses, so it answers a narrower question than profitability.
Which inputs to use
- Attributed revenue
- Use the revenue attributed to the advertising scenario. Match the attribution window and treatment of refunds or cancellations across comparisons.
- Advertising spend
- Use the positive spend corresponding to that revenue window and campaign scope. Do not compare broad revenue with only a small part of the spending.
Formula and worked example
Attributed revenue ÷ advertising spend
With $15,000 of attributed revenue and $5,000 of ad spend, divide 15,000 by 5,000 to obtain 3× ROAS. This is 300% of spend in revenue, not 300% profit or ROI. At 1×, attributed revenue equals ad spend before any other costs.
Common interpretation mistakes
ROAS above 1× can still accompany a loss after delivery costs and overhead. Attribution systems may credit the same revenue differently; comparing reports without matching definitions can make a channel appear stronger without an underlying business change. Keep currencies consistent, especially when an advertising account bills in another currency.
Assumptions and limits
The tool performs a ratio on supplied totals; it does not connect to ad accounts, verify attribution or measure incremental revenue caused by advertising. Customer acquisition cost answers a different question about spend per new customer. No single metric establishes a universal profitable advertising target.
You can also explore Customer acquisition cost.