The most accurate online IQ test

An IQ test is one of several tests that help you evaluate your cognitive ability. In short, it serves as way to determine how intelligent you are. It usually consists in a series of tasks that cover several areas of human intelligence, such as abstract reasoning, pattern recognition or analytical thinking.

Any IQ score above 120 is considered good by all standards. An IQ score over 140 is considered a high IQ and implies that you are either a genius. It represents less than 0.1% of the population so it's quite rare. An IQ score between 130 and 140 is usuaully associated with gifted people. An IQ between 115 and 130 is a good score and implies that you have a superior intelligence.

Absolutely. You may use an online service such as Check-IQ.org to check your IQ level from the comfort of your home. You will need about 20 minutes to do the test. Make sure that you are in a quiet place and that you will not be distracted during that time.

Any score above 130 is considered a high IQ score. Less than 3 out of 100 people have such a high IQ. Check out our article in our blog to understand more about what a high IQ means

Any IQ score above 140 is considered genius score.

Research shows that your IQ may change over time (1). This means that your IQ level can be improved over time, like a muscle. Such tasks as n-back task, which is a computerised memory test, have been proven to improve your level of intelligence. Check out our blog post to find out how to increase your IQ using Dual N Back test.

Research found that your IQ, which is a proxy for your level of intelligence is partly influence by genetic factors passed down by your parents, partly influenced by environmental factors such as your home environment when you were a child, your access to education and your nutrition. Read our blog post if you want to find out more about how much of intelligence is inhered

Our IQ test can be accessed for free. Once you have answered all questions in the Check IQ test, our algorithms compare your score to other people who took the test, and calculate an IQ score based on that peer group. That process is called IQ Validation Process and we charge a fee for it.

Although we will most likely never find out, as the data is limited by the number of people who took an IQ test, Marilyn vos Savant, an American magazine columnist and author is listed as having the highest recorded IQ in the Guinness Book of Records. She managed to get a score of 228.

Being part of Mensa, which is the High IQ Society, usually implies that you have a an IQ score above 130.

There is no universally accepted official IQ test format. However, the Wechsler Adult Intelligence Scale (WAIS) and the Wechsler Intelligence Scale for Children (WISC), for kids aged between 6 and 16, are usually considered the most widely accepted forms of IQ tests. The Wechsler tests can only be conducted by certified individuals or institutions. Assuming you get a high score, these tests allow you to get into such high-IQ societies as Mensa, Intertel and the Triple Nine Society. The most recent version of the Wechsler test contains 4 parts that cover several areas of human intelligence: Verbal Comprehension, Perceptual Reasoning, Working Memory and Processing Speed. The Wechsler test for kids also contains questions focused on Fluid Reasoning.