Formula table

ROAS to ACoS conversion chart

Convert common ROAS values to ACoS percentages without re-entering campaign spend and sales.

ROAS to ACoS conversion chart
ROASACoS (%)
100%
1.25×80%
1.5×66.67%
50%
2.5×40%
33.33%
3.5×28.57%
25%
20%
16.67%
12.5%
10×10%
Source: Amazon Ads Reviewed:

How to read this chart

ACoS is the inverse of ROAS. Divide 100 by ROAS to get ACoS as a percentage.

FormulaACoS (%) = 100 / ROAS