Return on ad spend measures the revenue generated for every dollar spent on advertising.
Definition
Return on ad spend measures the revenue generated for every dollar spent on advertising. A ROAS of 4:1 means you earned $4 for every $1 spent on ads.
ROAS = Revenue from Ads / Ad Spend
If you spend $1,000 on ads and generate $4,500 in revenue, your ROAS is 4.5x (or 450%).
ROAS is the ultimate measure of advertising effectiveness. It tells you whether your paid campaigns are profitable and helps you make decisions about scaling, pausing, or optimizing campaigns. Without ROAS tracking, you're essentially flying blind with your ad budget.
An e-commerce brand spends $5,000 on Instagram ads in March and tracks $22,000 in attributed revenue. Their ROAS is 4.4x. They know their break-even ROAS is 2.5x (accounting for product costs and overhead), so the campaign is profitable and worth scaling.
Key Takeaway: Knowing your break-even ROAS (based on margins and overhead) is critical — without it, a 3x ROAS might look good but actually lose money.
A 'good' ROAS depends on your margins. E-commerce typically targets 3-5x, while SaaS with high LTV can accept 1-2x.
Track ROAS at the campaign, ad set, and ad level to identify your best performers.
Attribution windows matter — a 7-day click vs 28-day click window can dramatically change reported ROAS.
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Social Media ROI
Social media ROI (Return on Investment) measures the overall return on your social media efforts, including both organic and paid activities.
Cost Per Click (CPC)
Cost per click is the average amount you pay each time someone clicks on your social media ad.
Cost Per Mille (CPM)
Cost per mille (CPM) is the cost of 1,000 ad impressions.
Conversion Rate
Conversion rate is the percentage of users who complete a desired action — such as signing up, making a purchase, or downloading a resource — after clicking through from social media.
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