ROAS Calculator
Ad revenue as a multiple of ad spend
Verified against sourcesLast verified 25 September 2026
Your numbers
THB
THB
Result
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Tested examples
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Formula
- ROAS = ad revenue ÷ ad spend
- ROAS (%) = revenue ÷ ad spend × 100
Assumptions
- Revenue is the conversion value the ad platform attributes to the ads
- Both fields use the same currency
Sources
Google Ads Help
About Target ROAS biddingaccessed 25 September 2026
Internal reference: reference/05_roas.md
FAQ
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