Can ROAS be high while ROI is negative?

Yes. ROAS only looks at revenue vs. ad spend. If your product costs, fulfillment, and overhead exceed the revenue minus ad spend, your ROI will be negative even with a solid ROAS. For example, 3x ROAS with 50% product costs and 20% overhead means you're losing money.

Which metric should I focus on — ROAS or ROI?

Use ROAS for day-to-day ad optimization and platform bidding. Use ROI for strategic decisions about overall profitability. Ideally, track both: ROAS tells you how well ads perform, ROI tells you whether the business is making money.

ROAS vs ROI Calculator | Compare Ad Metrics Side by Side

ROAS (Return on Ad Spend) measures gross revenue per dollar of ad spend: ROAS = Revenue / Ad Spend. ROI (Return on Investment) measures net profit relative to total investment: ROI = (Net Profit − Total Investment) / Total Investment × 100%. The key difference: ROAS only considers ad spend and revenue, while ROI factors in all costs — product costs, shipping, overhead, and ad spend. A campaign can have a great ROAS of 5x but a negative ROI if your product margins are thin. Always check both metrics: ROAS for ad efficiency, ROI for true profitability.

ROAS vs ROI Calculator — Compare the Metrics

ROAS vs ROI: What's the Difference?

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