IQ Percentile Calculator
Convert your IQ score to a percentile ranking to understand where you stand in the population distribution.
50th
Percentile Ranking
An IQ score of 100 is exactly average, placing you at the 50th percentile.
Understanding IQ Percentiles
IQ scores follow a normal distribution with these characteristics:
- Mean (average) score: 100
- Standard deviation: 15 points
- 68% of scores fall between 85 and 115
- 95% of scores fall between 70 and 130
- 99.7% of scores fall between 55 and 145
How to Interpret Your Results
Your percentile ranking indicates the percentage of people who score below your IQ level. For example:
- 50th percentile means you score higher than 50% of the population
- 84th percentile means you score higher than 84% of the population
- 16th percentile means you score higher than 16% of the population