ROAS Calculator (Return on Ad Spend)

Calculate return on ad spend, ACoS and the real profit your ads generate after product costs. 🔒 Runs in your browser

ROAS–
ROAS as a percentage–
ACoS (ad cost of sale)–
Profit after ad spend–
Break-even ROAS–
Formulas
  • ROAS = Revenue from ads ÷ Ad spend
  • ACoS = Ad spend ÷ Revenue × 100
  • Profit = Revenue × Margin − Ad spend

How to use the ROAS Calculator

  1. Choose your currency if the calculator uses amounts.
  2. Enter your own numbers in the fields (the examples are only a starting point).
  3. Results update instantly as you type.
  4. Check the formulas below the results, and copy the results to share them.

About this tool

ROAS shows how much revenue each unit of currency spent on ads brings back. A ROAS of 4× means 4 in sales for every 1 spent, but whether that is profitable depends on your margin.

Frequently asked questions

Is ROAS the same as ROI?

No. ROAS uses revenue; ROI uses profit. A campaign can have a high ROAS and still lose money if margins are thin.

What is POAS?

Profit on ad spend = gross profit from ad sales ÷ ad spend. Above 1 means the ads are profitable.

Are my numbers saved or sent anywhere?

No. Everything is calculated in your browser; only your currency choice is remembered on this device.

Is the ROAS Calculator free?

Yes. The ROAS Calculator is completely free to use, with no sign-up and no limits on normal use.

Is my data safe?

Yes. This tool runs entirely in your web browser using JavaScript. Your text is never uploaded to our servers.

Does it work on mobile?

Yes, it works in any modern browser on phones, tablets and computers. No app to install.

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