Score Guide

What every IQ score actually means

Twelve in-depth pages, one for each common score band on the Stanford-Binet. Click any score to see its percentile, classification, career-fit context, and how the five-factor profile changes the picture.

85Average−1.00 standard deviations from mean16%percentile→90Average−0.67 standard deviations from mean25%percentile→100Average0.00 standard deviations from mean50%percentile→110Average+0.67 standard deviations from mean75%percentile→115Above Average+1.00 standard deviations from mean84%percentile→120Above Average+1.33 standard deviations from mean91%percentile→125Above Average+1.67 standard deviations from mean95%percentile→130Talented+2.00 standard deviations from mean98%percentile→135Talented+2.33 standard deviations from mean99%percentile→140Talented+2.67 standard deviations from mean99.6%percentile→145Genius+3.00 standard deviations from mean99.86%percentile→150Genius+3.33 standard deviations from mean99.96%percentile→
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Free IQ tools

Four calculators: percentile, mental age, score conversion, and Mensa eligibility check.

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