What would a rating change take?
Enter your rating and total. Test how adding or removing ratings changes a simple average.
Simple-average scenario
Enter your starting rating and total, or switch to counts by star.
Amazon calculates its rating using a weighted model. This calculator uses a simple average, so it cannot predict Amazon's displayed rating or whether any review is eligible for removal. Using a displayed rating also introduces rounding uncertainty.
Find reviews worth challenging.
Check your listing for specific Amazon policy issues.
Methodology reference: Amazon’s explanation of star ratings. Which reviews can be challenged?