IQ scores

What IQ scores mean: the average, percentiles, ranges and the bell curve.

What is the average IQ?

The average IQ is 100 because tests are scored that way: the norming sample's mean is set to 100 and the standard deviation to 15 (APA, 1996). Learn what the score bands and their labels mean.

WhatIQ Editorial5 October 20269 min read

See where you stand

24 puzzles, about 15 minutes, a short warm-up first.

Start the test