ROAS Calculator — Return on Ad Spend

What Is ROAS?

ROAS stands for Return on Ad Spend. It measures how much revenue you earn for every dollar you spend on advertising. Unlike ROI, which measures overall profitability after all costs, ROAS specifically isolates the performance of your paid advertising spend.

ROAS is expressed as a ratio — a ROAS of 4x means for every dollar spent on ads, you generated four dollars in revenue. It is one of the most widely used KPIs in digital advertising, used by Google Ads, Meta Ads, TikTok Ads, and most other platforms.

The ROAS Formula

ROAS = Revenue from Ads divided by Ad Spend

Example: if your Facebook Ads campaign generated $20,000 in sales and cost $5,000 to run, your ROAS = $20,000 / $5,000 = 4x.

ROAS vs ROI — What Is the Difference?

ROAS only considers ad spend in the denominator. ROI considers all costs including product costs, salaries, agency fees, and overheads. A ROAS of 4x might still be unprofitable if margins are thin. Calculate your break-even ROAS using: 1 divided by Gross Margin. A business with 30% gross margins needs a minimum ROAS of 3.33x to break even on ad spend.

ROAS Benchmarks by Platform and Industry

• Google Search Ads: 3 to 5x average, 8x or higher is excellent
• Meta Ads (Facebook and Instagram): 2 to 4x average
• eCommerce retail: 3 to 4x is the typical minimum viable
• B2B Lead Generation: 2 to 3x measured on closed deal revenue
• SaaS and Subscriptions: 1.5 to 3x adjusted for lifetime value

How to Improve Your ROAS

1. Improve ad creative and copy. Higher click-through rate and conversion rate directly lift ROAS without increasing spend.
2. Tighten targeting. Exclude audiences unlikely to convert. Negative audience lists reduce wasted impressions.
3. Optimise your landing page. A page that converts at 5% versus 2% triples your effective ROAS from the same ad spend.
4. Use revenue-aligned bid strategies. Target ROAS bidding on Google and Advantage+ on Meta optimise toward revenue events.
5. Increase average order value. Upsell and cross-sell on the checkout page to lift revenue per conversion without changing spend.