ROAS Calculator
Return on ad spend from revenue and spend.
How it works
Enter your numbers and the results update instantly. Fields marked * are required; the rest can stay at zero. Nothing you type is saved or sent anywhere.
Formula
ROAS = revenue / ad_spend
ROAS as % = revenue / ad_spend * 100
Ad spend as % of revenue = ad_spend / revenue * 100
Tips: what your result means
- Re-run the numbers whenever your price, courier rate, fees or offer changes.
- If your margin is under 10%, small changes in ad cost or returns can wipe out profit.
- Use the related calculators below to check break-even ROAS and pricing together.
Frequently asked questions
Is this roas calculator free?
Yes. Every tool on this site is free to use with no sign-up.
Which currency does it use?
It picks your currency from the country you visit from. You can switch between USD, BDT, EUR and GBP.
How accurate is the result?
The maths is exact for the numbers you enter. Accuracy depends on using real costs from your store and ad account.
Related Tools
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Break-even ROAS CalculatorThe minimum ROAS your margin allows.
🧮Break-even ROAS CalculatorThe minimum ROAS your margin allows.
CPA CalculatorCost per acquisition from spend and conversions.
👥CAC CalculatorWhat each new customer costs you.
Want help improving these numbers?
Book a free consultation and I'll review your store and ads.