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Review rating score calculation

Visitor ✭ ✭ ✭
# 1
Visitor ✭ ✭ ✭

I am wondering what is Googls's calculation method of review rating score, I guess is: (1star*QTY+2star*QTY+3star*QTY+4star*QTY+5star*QTY)/QTY in total


But actually, example:

Result is not as I guess


So I am wondering, what calculation method is actually?


1 Expert replyverified_user

Re: Review rating score calculation

Top Contributor
# 2
Top Contributor

Hi AnnB2013,


This is what Google says


"We calculate Seller Ratings using a variety of signals beyond just the arithmetic mean in order to make sure Seller Ratings reflect not only the raw quantity of review scores, but also how representative and high-quality the reviews are. We're constantly refining how we use those signals to give our users as helpful an overview as possible."


Please find more information at


More information about seller rating extensions


Hope this helps,