ROAS Calculator
Calculate Return on Ad Spend from your ad spend and revenue.
This tool runs entirely in your browser. Your files are never uploaded to a server.
4.00x
ROAS
400%
Return as %
What this calculator does
Divides the revenue your ad campaign generated by what you spent on it, showing Return on Ad Spend (ROAS) both as a multiplier (e.g. 4x) and as a percentage (e.g. 400%).
How to use it
Enter your total ad spend and the revenue you attribute to that spend. Both the multiplier and percentage update immediately as you type.
Worked example
With ad spend of $500 and revenue of $2,000 (the pre-filled defaults), ROAS = 2,000 ÷ 500 = 4x, or 400% — every $1 spent returned $4 in revenue.
Formula
ROAS = revenue ÷ ad spend. The result is also shown as a percentage (ROAS × 100) since some platforms and reports express it that way instead of as a multiplier.
How ROAS compares to ROI
ROAS only weighs revenue against ad spend, ignoring the cost of the product, shipping, payment processing and other overhead — a high ROAS can still leave you unprofitable if margins are thin. Return on Investment (ROI) factors in those additional costs, which is why the two numbers can tell very different stories about the same campaign; use the dedicated ROI Calculator when you need that fuller picture.
Limitations
This tool takes ad spend and revenue as given — it doesn't verify attribution, doesn't separate new customers from repeat buyers who might have purchased anyway, and doesn't account for returns or refunds that happen after the reporting period closes. A "good" ROAS also depends entirely on your margins: a low-margin business may need a ROAS well above 4x just to break even, while a high-margin one can be profitable below that.
Scope, sources and privacy
ROAS is a standard advertising metric defined the same way across ad platforms and marketing agencies. The calculation runs entirely in your browser; the numbers you enter are never sent to a server.
Frequently Asked Questions
- What is a good ROAS?
- It depends on your margins, but 4:1 (400%) is a common benchmark for a healthy campaign — the actual breakeven ROAS varies by business.
- How is ROAS different from ROI?
- ROAS compares revenue to ad spend only, while ROI factors in all costs including product, shipping and overhead.
- Can ROAS be below 1?
- Yes — a ROAS below 1 (100%) means the campaign generated less revenue than it cost, a loss before other expenses.