Online IQ tests
We have created the most extensive collection of links to the most accurate online IQ tests. If you want to know how your intelligence measures up against the rest of the world, the following IQ tests will give you the most reliable estimate. After you've discovered your IQ, click here to find out how you can boost your brainpower!
These are probably the most reliable IQ tests you can find online. Professionally designed, statistically valid, and challenging, they closely resemble professionally-administered IQ tests. There is also an above-average IQ test for those who consider themselves really smart.
This test is designed by Mensa members and is inspired by Mensa's admission tests, namely Raven's Advanced Progressive Matrices test battery.
One of the first online IQ tests. Created by psychologists and tested on thousands of visitors, this test can give you a very good estimate of your intelligence.
One of the most popular IQ tests online - PhD-certified, free and fun. Offers a detailed report explaining your thinking style and how your score measures up against others who took the test.
A collection of challenging but not scientifically validated IQ tests.
Developed by PhDs and ISO certified, this IQ test is not only accurate, but also comes with a hard copy certificate to prove your achievement.
A free PhD-certified IQ test that will measure your verbal intelligence and spatial skills.
Is your child a genius? Find out with this IQ test specifically designed for children between 6 and 16 years old.
These are the most challenging IQ tests online. However, there is no automatic scoring available.
LATEST IQ NEWS
March 26, 2007
1940s IQ tests help reveal how lifestyle affects our brain
IQ tests carried out on about 70,000 Scottish children in 1947 are helping scientists discover how our lifestyle affects our mental abilities. The findings suggest that smoking, obesity, poor diet, and the lack of physical exercise...
March 22, 2007
Gifted students listen to Heavy Metal as a way to handle peer pressure
A group of scientists at the University of Warwick, who conducted a study on 1,057 students between the ages of 11 and 18 regarding their views on family, education and free time, suggests that gifted students may be listening to Heavy Metal music...
March 21, 2007
Humans are able to detect “impossible” objects from an early age
We’ve all been baffled by drawings of so-called impossible objects – like staircases leading to nowhere and fountains starting and ending at the same place. But when do we develop the ability to detect...
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