Free Online IQ Test
Measure your cognitive ability with logic puzzles, number sequences and pattern recognition questions. Choose a 20 or 50 question version; scoring is normalized to the standard IQ scale (mean 100, SD 15) and you get your score and percentile instantly, free.
Frequently asked questions
- What is an IQ test?
- An IQ (Intelligence Quotient) test measures cognitive abilities including pattern recognition, logical reasoning, verbal comprehension, mathematical skills, and spatial reasoning. Our test provides a standardized score comparing your performance to the general population.
- Is this IQ test accurate?
- Our IQ test uses scientifically designed questions covering multiple cognitive domains. While it provides a reliable estimate of cognitive abilities, professional IQ tests administered by psychologists are considered the gold standard for formal assessments.
- What is a good IQ score?
- The average IQ score is 100. Scores between 90-110 are considered average, 110-120 above average, 120-130 superior, and above 130 very superior. Our test provides scores ranging from 70 to 155 with detailed analysis.
- How long does the IQ test take?
- Choose between a 25-question quick test (15-20 minutes) or a comprehensive 50-question version (30-40 minutes). Both versions provide accurate scoring with detailed breakdowns by cognitive domain.
- Can I improve my IQ score?
- While core intelligence is relatively stable, you can improve test performance through practice, learning problem-solving strategies, and developing skills in pattern recognition, logic, and mathematical reasoning.
All free tests at Know Your Minds