Glossary · Metrics
Ad cost ratio— what it means in affiliate marketing
Advertising spend as a percentage of the revenue it produced — the inverse of ROAS.
Common in Russian-language reporting, where it is abbreviated DRR. A 25% ratio and a ROAS of 4 are the same statement.
Related terms
| Term | Definition |
|---|---|
| ROI | Return on investment: profit as a percentage of what was spent. |
| ROAS | Return on ad spend: revenue divided by advertising cost. |
Entry updated 15 September 2026. All 276 terms in one page.
