Statistics & Probability

Instant, private, and free

Five Star Rating Calculator.

Calculate this statistic instantly with validated formulas.

On-device calculationNo signup
01

Set your values

Results update as you type.

Result: Average rating: 4.33 Total ratings: 100 5-star share: 55.00%

Result

Average rating: 4.33 Total ratings: 100 5-star share: 55.00%

Use Cases

Average product reviews

Quickly find the average star rating from a list of customer reviews to gauge overall satisfaction.

Example: Enter: 5, 4, 5, 3, 4 → average = 4.2

Summarize survey responses

Combine ratings from multiple survey respondents to get a single representative score.

Example: Enter: 3 4 5 2 4 5 → average = 3.83

Frequently Asked Questions

How do I use the Five Star Rating Calculator?
Enter your ratings in the 'Values' field, separated by commas or spaces (e.g., 5, 4, 5, 3). The calculator will compute the average rating using validated formulas, giving you the mean of your entered values.
What does the calculator output?
It outputs the average (mean) of the five-star ratings you input. This is a single number representing the central tendency of your ratings, useful for summarizing customer feedback or product reviews.
Can I use this calculator for any set of numbers?
Yes, you can enter any numeric values, but it is designed for five-star ratings (typically 1 to 5). The calculator will compute the arithmetic mean of the numbers you provide, regardless of the range.

Tips & Common Mistakes

Tips

  • Ensure all values are numbers; non-numeric entries may cause errors.
  • Use commas or spaces to separate values; both are accepted.
  • Double-check that you've included all ratings you want to average.
  • The result is the arithmetic mean, not a weighted average.

Common Mistakes to Avoid

  • Including text or symbols like 'stars' in the values field.
  • Using a mix of commas and spaces inconsistently, though both are supported.
  • Forgetting to include all ratings, leading to an inaccurate average.

Last updated: August 13, 2026