Statistics

Average Rating Calculator

Find a weighted average star rating from rating counts.

5-star count

4-star count

3-star count

2-star count

1-star count

Calculated Output

Average rating (★) 4.273

Total ratings 220

Formula: average = Σ(star × count) ÷ total

Step-by-Step Breakdown

1. Values used:

2. 5-star count = 120

3. 4-star count = 60

4. 3-star count = 25

5. 2-star count = 10

6. 1-star count = 5

8. Average rating = 4.273★

9. Total ratings = 220

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The math behind it

average = Σ(stars × count) ÷ total ratings.

120×5 + 60×4 + 25×3 + 10×2 + 5×1 over 220 → about 4.27★.

Why not just count 5-stars?

The weighted average reflects the full distribution of opinions.