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Standard scale · mean 100 / SD 15

The IQ scale, score by score

Every score from 70 to 160, grouped by classification band. Pick your number — each one covers the percentile, the rarity, and whether it counts as good.

Highly gifted145 – 160Three or more standard deviations out. Rarer than 1 in 741, and past what a short test can reliably place.
145146147148149150151152153154155156157158159160
Very superior · gifted130 – 144Top 2% territory. Gifted-program and high-IQ-society cutoffs live here.
130131132133134135136137138139140141142143144
Superior120 – 129Well above average — roughly the top 2 to 9 percent.
120121122123124125126127128129
High average110 – 119Above the middle without being rare — the top quarter, give or take.
110111112113114115116117118119
Average90 – 109The middle half of everyone. Most people live here.
90919293949596979899100101102103104105106107108109
Low average80 – 89A little under the middle — about the 9th to 25th percentile.
80818283848586878889
Borderline70 – 79Well below most scores. If the number matters, a professional assessment does too.
70717273747576777879

Scores below 70 or above 160 are outside what a short online test can place reliably — that territory belongs to a full professional assessment.

The whole scale at a glance

AverageGifted
5585100115145

Figure 1 · The classification bands, drawn to scale across IQ 55 to 145. Each segment links to its band.