Stanine Calculator
Convert percentile or raw scores to stanine (Standard Nine) scores
Stanine Scale Reference
| Stanine | Percentile | % of Pop | Description |
|---|---|---|---|
| 1 | 0-4 | 4% | Very Low |
| 2 | 4-11 | 7% | Low |
| 3 | 11-23 | 12% | Below Average |
| 4 | 23-40 | 17% | Low Average |
| 5 | 40-60 | 20% | Average |
| 6 | 60-77 | 17% | High Average |
| 7 | 77-89 | 12% | Above Average |
| 8 | 89-96 | 7% | High |
| 9 | 96-100 | 4% | Very High |
💡
Help us improve!
How would you rate the Stanine Calculator?
Editorial Note
MyCalcBuddy Editorial Team
This page is maintained as an educational calculator reference.
📚
Formula Source: Standard Mathematical References
by Various
🔄Last reviewed: May 2026
✓Formula checks are based on standard references and internal QA review.