Free Online IQ Test
Test your logical thinking and see how you compare with others.
- 40 questions
- Allow about 30 minutes
- Instant results
100% free, including the complete result. No payment, no sign-up, no email required.
- IQ score
- Percentile
- Time analysis
- Comparisons
The test and full result are free. You can optionally buy additional explanations in the separate practice section.
IQ-style score · Not a clinical diagnosis.
340,000+ completed • Passed quality checks: 110,000+
4 / 5 (221)
Try a practice question
This practice example is separate from the 40 test questions. Count the dots in each cell.
| 1 | 2 | 3 |
| 2 | 3 | 4 |
| 3 | 4 | ? |
How does the 40-question test work?
- Find the pattern in the shapes.
- Choose the missing piece from eight options.
- Answer 40 questions and see your free result.
Worked practice example (not scored)
The rows contain 1–2–3, 2–3–4, and 3–4–? dots. Each step to the right or down adds one dot, so the missing cell contains five dots.
Example of your free result
Illustrative values only, not a real person’s result. Your score and percentiles depend on your performance and our participant dataset.
See how your results compare with others in your age group, with percentiles, timing charts, and detailed breakdowns by category.
These attempts passed internal checks for timing, completeness and consistency. Passing these checks does not establish scientific validity or clinical accuracy.
Worldwide IQ distribution standings:
Example timing for all 40 questions
Average per question: 45 seconds
84.1 is an example percentile: about 84% of reference participants would rank below it. Comparisons describe our online dataset, not the whole population.
What your score means
Participants choose to take this online test; they do not represent the whole population. The score is an estimate, not a clinical assessment.
More about your result
Correct answers determine your rank; completion time breaks ties. Ranked results compare you with participants in your age group, then map that position to an IQ-style scale with mean 100 and standard deviation 15.
Allow about 30 minutes in a quiet place. There is no fixed time limit. Your completion time is recorded and used when scores tie.
Frequently asked questions
Is the test and result really free?
100% free, including the complete result. No payment, no sign-up, no email required. The test and full result are free. You can optionally buy additional explanations in the separate practice section.
How does the 40-question test work?
40 questions on patterns and logical reasoning. No preparation needed. Allow about 30 minutes in a quiet place. There is no fixed time limit. Your completion time is recorded and used when scores tie.
How accurate is this IQ test?
Correct answers determine your rank; completion time breaks ties. Ranked results compare you with participants in your age group, then map that position to an IQ-style scale with mean 100 and standard deviation 15. Participants choose to take this online test; they do not represent the whole population. The score is an estimate, not a clinical assessment.
What is considered an average IQ?
IQ 100 is the mean and sits at percentile rank 50. About 68% of people score between 85 (percentile 16) and 115 (percentile 84). Theoretical normal distribution: mean 100, standard deviation 15. These percentages describe this model, not UniversalIQTest.com participants or a measured population.
Why is there no time limit?
Allow about 30 minutes in a quiet place. There is no fixed time limit. Your completion time is recorded and used when scores tie.
Can I retake the test, and which attempts count?
You can retake the free test as often as you like. For the public statistics only one attempt per person counts, so retakes do not distort the dataset.