SellMath / Advertising
ROAS Calculator
Calculate return on ad spend as a multiple and a percentage from attributed revenue and advertising spend.
Your estimate
- ROAS
- ROAS (%)
- Revenue minus ad spend
Calculated in your browser. Your entries are not sent anywhere.
How the calculation works
ROAS = attributed revenue ÷ ad spend ROAS (%) = ROAS × 100
A dash means the ratio is undefined or the target cannot be reached.
Frequently asked questions
Does a ROAS above 1 mean the campaign is profitable?
Not necessarily. ROAS uses revenue, not profit. Product costs, fees, shipping and overhead also need to be covered.
How do I find my break-even ROAS?
Divide one by the contribution margin expressed as a decimal. Use the break-even ROAS calculator to account for variable costs before advertising.