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Free IQ test: find out your IQ score

A 20-question reasoning test: matrices, number series, 3D figures and word problems. At the end you see your estimated IQ, its margin of error and where you stand against adults of your age.

Start the testFree, no sign-up
Time
15 min
Questions
20
Result
IQ ± margin
No sign-up
Free

IQ test

15 min Time20 Questions

Start the testOpens full screen, one question at a time.

What your result looks like

Example

Your estimated IQ

112104–120

Above average

Higher than 79% of people your age

How the IQ test works

  1. Four details to compare you fairly. Age, country, sex and education. No name or email.
  2. A practice item before each block that does not count.
  3. 20 reasoning questions. Matrices have no time limit; series and 3D figures have 45 seconds and word problems 90.
  4. Your IQ at the end, with its margin of error and your place on the population curve.

Your score is not just a count of right answers: it weighs each question by its difficulty, as professional tests built on item response theory do.

What this IQ test measures

It measures fluid intelligence: the ability to spot rules and solve new problems without relying on what you have learned. That is the core of IQ tests such as Mensa admission tests and the reasoning part of the Wechsler scales.

  • Abstract reasoning with figure matrices.
  • Quantitative reasoning with number series.
  • Visual-spatial ability rotating 3D figures.
  • Problem solving with short word problems.

It does not measure general knowledge, vocabulary or creativity, nor emotional intelligence, which has its own test.

What is a good IQ score?

IQ uses a scale with a mean of 100 and a standard deviation of 15. Two in three people score between 85 and 115.

How IQ is spread across the population The mean is 100 and two in three people score between 85 and 115. See the full IQ scale
2.3%13.6%68.3%13.6%2.3%557085100115130145IQ
IQ Description People above
130+ Very superior 2%
120–129 Superior 9%
110–119 High average 25%
90–109 Average 50%
80–89 Low average 84%

See every range on the IQ scale and chart, and how scores compare across countries in average IQ.

Why we show a margin of error

No test measures IQ exactly, in person or online. With 20 questions the interval is usually about ±8 to 10 points: if you see “112 (104–120)”, your true IQ lies between 104 and 120 with 95% probability.

Most online IQ tests give a single, often inflated number. We would rather tell you how far off the result could be. The full report adds adaptive questions and working memory tasks that narrow the margin.

Is an online IQ test accurate?

A well-built online test gives a reliable estimate of your reasoning, but it is not a full assessment such as the WAIS-IV, which a psychologist gives in person over more than an hour. Read are online IQ tests accurate? for what to look for.

How to find out your IQ

To find out your IQ you need a test with calibrated questions and age norms; “guess your IQ” quizzes do not work. This test gives an estimate in about 15 minutes, and for a formal assessment a psychologist can give you a Wechsler scale.

Why take the test on Animi

  • Open scienceQuestions and norms published by researchers. We cite the source of every test.
  • Honest resultsEvery score comes with its margin of error. No online test gives an exact number.
  • No sign-upNo email, no account. Your result is worked out in your browser.
  • Compared with people like youWe place you against people of your age and, where there is data, your country.

Frequently asked questions

How long does the IQ test take?

About 15 minutes for the free part. The full report adds 15 to 30 adaptive questions.

Is this a real IQ test?

It uses matrices from the Open Matrices Item Bank, calibrated on thousands of people, scored with item response theory. It is a serious estimate, not a clinical diagnosis.

What is my IQ if I score in the middle?

Between 90 and 109 is average. From 120 is superior and from 130 very superior, reached by about 2% of people.

Why do I get a range and not an exact number?

Because every IQ measurement has error. Showing the range is more honest than a number that looks exact and is not.

Can I take the test again?

Yes, but your first attempt reflects your ability best: the second time you already know the question types.

Is it suitable for children?

No. The norms are for adults, and we do not give an IQ figure under 16.

How can I find out my IQ?

With a calibrated intelligence test such as this one, or with an in-person assessment by a psychologist.

Sources

  1. Koch, M., Spinath, F. M., Greiff, S. & Becker, N. (2022). Development and validation of the Open Matrices Item Bank. Journal of Intelligence, 10(3), 41.
  2. Wechsler, D. (2008). WAIS-IV: Technical and interpretive manual. Pearson.
  3. Neisser, U. et al. (1996). Intelligence: Knowns and unknowns. American Psychologist, 51(2), 77–101.

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