"What is my IQ?" — This is a question that millions of people ask themselves every day. Whether out of simple curiosity or to better understand their cognitive abilities, measuring one's intelligence quotient has become accessible to everyone thanks to online tests.
In this complete guide, we explain the different methods to assess your IQ, from official tests to free online evaluations, and help you choose the one that best suits your needs.
📑 Summary What exactly is IQ? The different methods to measure IQ Understanding the IQ scale Take a free IQ test Tips for a reliable resultWhat exactly is IQ?
The Intelligence Quotient (IQ) is a standardized measure of an individual's cognitive abilities compared to the general population. Contrary to popular belief, IQ does not measure "intelligence" as a whole — a concept far too broad — but evaluates specific cognitive skills.
The concept was developed in the early 20th century by French psychologist Alfred Binet, and later refined by William Stern who introduced the term "intelligence quotient." Today, IQ tests are used in many contexts: educational guidance, high potential detection, recruitment, or research in cognitive psychology.
💡 The average IQ is set at 100 by convention, with a standard deviation of 15 points. This means that about 68% of the population has an IQ between 85 and 115.
The different methods to measure IQ
There are several ways to assess one's intelligence quotient, each with its advantages and limitations:
Comprehensive Psychometric Assessment
Conducted by a psychologist with tests like WAIS (adults) or WISC (children). It is the most accurate method but also the most expensive (€150-400).
Duration: 2-3 hoursFree Online IQ Tests
Accessible to everyone, these tests provide a reliable estimate of your cognitive abilities in just a few minutes. Ideal for a first assessment.
✓ Recommended to startRaven's Matrices
Non-verbal test based solely on visual sequences. Particularly suitable for assessing fluid intelligence independently of culture.
Duration: 20-45 minMensa Tests
Supervised tests organized by the Mensa association. Allow you to join the organization if you are among the top 2%.
Cost: ~€50Comparison of Methods
| Method | Cost | Duration | Reliability |
|---|---|---|---|
| Psychologist Assessment | €150-400 | 2-3h | ⭐⭐⭐⭐⭐ |
| DYNSEO Online Test | Free | 15 min | ⭐⭐⭐⭐ |
| Raven's Matrices | Variable | 45 min | ⭐⭐⭐⭐ |
| Mensa Test | ~€50 | 1-2h | ⭐⭐⭐⭐⭐ |
Understanding the IQ Scale
IQ scores are distributed according to a bell curve (normal distribution). Here’s how to interpret your result:
2%
14%
68%
14%
2%
What does your score mean?
- 130 and above: Very high intelligence (HPI potential — High Intellectual Potential)
- 120-129: Above average intelligence
- 110-119: Intelligence above average
- 90-109: Average intelligence (majority of the population)
- 80-89: Slightly below average intelligence
- 70-79: Borderline intelligence
Tips for a Reliable Result
To ensure your score accurately reflects your abilities, follow these recommendations:
💡 Before taking the test
- Choose a time when you are rested and alert
- Settle in a quiet place without distractions
- Make sure you have sufficient time (20 minutes without interruption)
- Avoid alcohol and substances that may affect your concentration
- Do not take the test if you are stressed or tired
During the test
- Read each question carefully before answering
- Manage your time: do not get stuck too long on a question
- Answer all questions, even if you are not sure
- Trust your first intuition for difficult questions
Are Online IQ Tests Reliable?
The question of the reliability of online IQ tests often arises. The answer is nuanced: a quality online test can provide a very accurate estimate of your IQ, provided it is well-designed and you take it under good conditions.
Our DYNSEO test uses methodologies inspired by official tests (progressive matrices, verbal analogies, numerical sequences) and has been calibrated to provide results consistent with traditional psychometric evaluations.
⚠️ Important: A free online test does not replace a full assessment conducted by a psychologist, especially if you need an official diagnosis (HPI, learning disabilities, etc.).
🧠 Ready to discover your IQ?
Our free test gives you a reliable estimate in just 15 minutes.
Measure my IQ for free →