ROAS Calculator
Three-way ROAS solver
Solve revenue, spend, or return and compare target with margin break-even.
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ROAS calculation
Attributed revenue per unit of ad spend
- Calculated ROAS
- 4.00×
Attributed revenue
$40,000
Ad spend
$10,000
ROAS
4.00× · 400%
Gross contribution
$16,000
Contribution after ads
$6,000
Break-even ROAS
2.50×
Gross-margin break-even
Current ROAS is 1.50× above the 2.50× break-even threshold.
At current spend, break-even attributed revenue is $25,000.00 before overhead, taxes, returns outside margin, and other business costs.
Target scenario: 5.00× ROAS
At current spend, add $10,000.00 in attributed revenue, or reduce spend by $2,000.00 at current revenue.
Formulas used
ROAS = ad-attributed revenue ÷ ad spend. Revenue = ad spend × ROAS. Ad spend = revenue ÷ ROAS. Break-even ROAS = 1 ÷ gross margin.
ROAS is a revenue-efficiency ratio, not ROI or net profit. Contribution after ads subtracts only delivery costs represented by gross margin and ad spend. Currency selection changes formatting only, not exchange rates.
Calculate return on ad spend, reverse-solve required revenue or supported budget, and compare your result with a target plus gross-margin break-even.
Read ROAS with margin and attribution context
Return on ad spend divides revenue attributed to advertising by the corresponding ad spend. A 4× ROAS means four units of attributed revenue for each unit of media cost. The same equation can work backward from a target to required revenue or supported spend.
ROAS is not profit or ROI. It excludes cost of goods or service delivery, payroll, tools, agencies, overhead, taxes, and other costs unless those are reflected elsewhere. Attribution settings can also credit more or less revenue to ads without changing underlying customer behavior.
Solve any variable
Calculate ROAS, required attributed revenue, or supported ad spend from the other two values.
Target scenario
See the revenue lift or budget change required to reach your own ROAS target.
Margin break-even
Convert gross margin into the minimum ROAS that covers product delivery and ad spend.
Contribution view
Inspect revenue after the supplied margin and ad spend without calling it company profit.
How it works
Turn campaign inputs into an
auditable ROAS plan
Keep revenue, spend, attribution window, and currency aligned before acting on the result.
Choose the missing metric
Select ROAS, attributed revenue, or ad spend and enter the other two values.
Add margin and target
Use a defensible gross margin and optional ROAS target for the same product or campaign mix.
Review thresholds
Compare actual, target, and break-even ROAS plus the resulting contribution after ads.
What to verify before you scale a ROAS result
A clean ratio still depends on complete costs, reliable revenue, and stable measurement rules.
Attributed revenue
Use revenue credited to the campaign under a clearly documented window, model, and conversion definition.
Matching ad spend
Pair revenue with spend from the same campaigns, markets, dates, currencies, and platform fees where relevant.
Real gross margin
Account for product, fulfillment, payment, returns, discounts, and variable service costs in the margin input.
Incremental effect
Platform-attributed revenue may include customers who would have purchased without the measured ads.
New and returning mix
Returning customers can lift platform ROAS while hiding weaker new-customer acquisition economics.
Profit beyond ads
Review payroll, creative, tools, agencies, overhead, taxes, cash timing, CAC, and lifetime value outside ROAS.
ROAS Calculator questions
Formulas, reverse solving, targets, break-even, attribution, and profit limits.