IQ test FAQ and help center

The test has 40 questions and a 20-minute time limit. Most people finish in 15–20 minutes.

Matrix and sequence puzzles, number series, symbol equations, logic puzzles, mental rotation and short memory tasks. No specialist knowledge is needed.

Harder questions are worth more points. Your weighted score is placed on the standard IQ scale (mean 100, standard deviation 15) and converted into a percentile.

The average IQ is 100 by definition, and about 68% of people score between 85 and 115. A score of 120 is higher than about 91% of people, and 130 is higher than about 98%.

It is a reasoning-based self-assessment with original questions, scored on the standard IQ scale (mean 100, standard deviation 15). It is not a clinical assessment, and the result of any online IQ test depends on conditions such as focus, time and device, so treat it as an estimate. Our methodology page explains exactly how the score is calculated. For a diagnosis or official purposes, see a licensed psychologist.

Not entirely. Answering the questions costs nothing and you don't need to sign up to begin, but your IQ score and full report unlock only with a paid trial membership. The membership renews automatically at the regular price unless you cancel. Our pricing page shows the exact amounts, and you can cancel anytime from your account.

Yes — with one click in your account settings, or by contacting our support team. You keep access until the end of your current billing period.

Yes. The test is for adults and teens aged 16 and over. It is not designed for children; for a child, talk to a school psychologist or a licensed psychologist.