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 (%)
1×100%
1.25×80%
1.5×66.67%
2×50%
2.5×40%
3×33.33%
3.5×28.57%
4×25%
5×20%
6×16.67%
8×12.5%
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