Industry benchmarks suggest 3:1 to 4:1 ROAS is "good" — meaning $3-$4 in revenue for every $1 spent on ads. But the right ROAS for your business depends on your margins; some businesses thrive at 2:1, others need 6:1 to break even after costs.
ROAS — Return on Ad Spend — is the most quoted paid advertising metric and the most misunderstood. The "good ROAS" question only makes sense when you understand your actual unit economics.
ROAS = Revenue from Ads ÷ Ad Spend
Example: $50,000 in revenue attributed to ad campaigns that cost $10,000 in spend = 5:1 ROAS.
Industry averages by category (approximate, 2026):
ROAS doesn't account for your gross margin. A 5:1 ROAS on a product with 20% margins ($1 net profit per $1 ad spend) is barely break-even. A 2:1 ROAS on a service with 80% margins is highly profitable. The metric that matters is profit-on-ad-spend, not gross revenue.
Your break-even ROAS = 1 ÷ your gross margin %.
Anything above break-even is profit; anything below is loss. Your "good ROAS" target should account for break-even plus desired profit margin plus operating expenses.
For businesses with recurring revenue or high customer lifetime value (LTV), ROAS on first purchase often makes campaigns look unprofitable when they're actually highly profitable over the customer lifecycle. Subscription businesses commonly run negative first-purchase ROAS knowing the LTV math works.
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