ACOS = PPC Costs / PPC Revenue

Example:

Your sponsored product has had a total of 2$ costs for all of its clicks, and made a total of 10$.

--> ACOS = 2 / 10 = 20%


Understanding ACOS

The following articles can help obtain a better understanding as to why the ACOS is a central metric to measure the performance of your Sponsored Products, as well as how you can define what a "good" ACOS is:

What's a Good ACoS for My Amazon Ads & how can I influence it? (click here)

Why ACoS Can Be Misleading (click here) and why you shout not rely on the ACoS alone (Blog by Amazon, click here)

How to set your Target ACOS (click here)

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