Average rating calculator
Enter your review counts and see your average, and how many 5 star reviews you need to reach a target rating.
How to use the Rating calculator tool
Enter how many reviews you have at each star level.
Set your target rating.
Read the average and the reviews needed.
About this tool
Marketplace sellers watch ratings closely. A few 1 star reviews can pull an average down, and it takes many 5 star reviews to lift it again.
The calculator uses a simple weighted average, the same way most marketplaces display a product rating.
Rating calculator questions
How is the average calculated?
Total stars divided by total reviews.
Can I reach 5.0?
Only if you have no lower reviews.
Does it work for any marketplace?
Yes, it is only arithmetic.
Is it free?
Yes.
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