Type a score or drag the slider — results update live.
ClassificationHigh Average
Percentile84.1th
About 15.90% of people score this high or higher (1 in 6).
Free tool · Live
IQ Percentile Calculator
Enter an IQ score; see the percentile, classification, and how rare it is in the general population. Uses the standard IQ score-to-percentile lookup table (scores 55–149).
How the calculation works
Each IQ score maps to a population percentile from the standard lookup table used by major tests (mean 100, SD 15). Enter a score between 55 and 149 to see its percentile, classification, and rarity. For example, 115 is at the 84.1st percentile and 130 at the 98.9th.
Common percentiles
| IQ Score | Percentile | Classification |
|---|---|---|
| 85 | 15.9th | Low Average |
| 100 | 50th | Average |
| 115 | 84.1th | High Average |
| 120 | 92.1th | Superior |
| 130 | 98.9th | Gifted |
| 140 | 99.96th | Highly Gifted |
| 149 | 99.996th | Very Gifted |
Curious where you score, and what your factor profile looks like?
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