IQ Score Calculator
Understand what IQ scores mean and calculate yours. Take our test to get your precise IQ with percentile ranking.
IQ Score Reference Chart
How IQ Is Calculated
The Standard IQ Formula
What This Means:
- • 100 is set as the average IQ score
- • 15 points equals one standard deviation
- • 68% of people score between 85-115
- • 95% of people score between 70-130
- • 99.7% of people score between 55-145
Understanding Percentiles
Average
You scored higher than 50% of people
Above Average (IQ 115)
You scored higher than 84% of people
Mensa Level (IQ 130)
You scored higher than 98% of people
Frequently Asked Questions
How is IQ calculated?
IQ is calculated by comparing your test performance to a normative sample of the population. The formula typically results in a score where 100 is average, with a standard deviation of 15 points.
What does my IQ score mean?
Your IQ score indicates where you stand relative to the general population. 100 is average, 115+ is above average, 130+ is very superior (Mensa level), and 145+ is genius level.
Can I calculate IQ from raw scores?
IQ calculation requires standardized testing and normative data. Our test automatically calculates your IQ by comparing your performance against our database of 250,000+ test-takers.