How to Use the ROAS & CAC Digital Marketing ROI Calculator
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Enter your Total Ad Spend budget for the campaign period.
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2
Enter Total Revenue Generated directly from ad campaigns.
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3
Enter the number of New Leads acquired and New Paying Customers converted.
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4
Optionally input Average Product Profit Margin % to calculate true Break-Even ROAS.
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5
Review performance cards: Return on Ad Spend (ROAS as a multiple and percentage), Customer Acquisition Cost (CAC), Cost Per Lead (CPL), and Net Campaign Profit.
Practical Example & Use Case
Common Real-World Scenario
Spending $3,000 on Google Ads to generate $12,000 across 40 new customers yields a 4.0x ROAS (400%) with a $75 CAC.
Technical Notes & Limitations
Browser Engine Architecture
Measures direct quantitative attribution. Blended omni-channel metrics (organic halo effect) require multi-touch attribution modeling.
Frequently Asked Questions
What is a good ROAS for ecommerce?
A common industry benchmark is 4.0x ROAS (400%), meaning $4 in revenue for every $1 spent on advertising, which usually accounts for COGS and operating margins.