Method
How to calculate return on ad spend
ROAS compares attributed revenue with media spend. It does not subtract product cost, fees, agency cost or overhead.
FORMULAROAS = attributed revenue ÷ advertising spend
Worked example
ROAS calculator example
$40,000 attributed revenue from $10,000 ad spend equals 4.0× ROAS.
Change one assumption at a time to see what drives the result. The output is an estimate, not a quote, forecast or recommendation.
FAQ
ROAS calculator FAQ
Is ROAS the same as ROI?
No. ROAS compares revenue with ad spend; ROI normally compares profit with the full investment.
What revenue should be attributed?
Use revenue assigned under one consistent attribution method and window.
Does a high ROAS guarantee profit?
No. Margin, returns, fulfilment and operating costs determine whether revenue becomes profit.