Free IQ test online
A free, no-signup cognitive test. ~15 minutes. Get your estimated IQ with a breakdown across verbal, numerical, spatial, and logical reasoning.
32 questions, 15 minutes
Roughly 8 questions per domain. Untimed per item, ~15 minutes overall.
Four domains
Verbal reasoning, numerical reasoning, spatial reasoning, and logical reasoning.
IQ scale (mean 100)
Standard mean-100, SD-15 scoring with a per-domain breakdown at the end.
No signup, no email
Your result is shown on screen. You can email it to yourself if you want a copy.
How it works
- Click Start the test. A test session is created anonymously.
- Answer ~32 multiple-choice questions across four domains.
- See your estimated IQ and a per-domain breakdown immediately.
Learn more
- What is an IQ test? A plain-English guide
IQ tests measure reasoning ability across a few core domains. Here's what they actually measure, what they don't, and how the score is calculated.
- Average IQ by age: what actually changes over time
IQ scores are age-normed, so the average is 100 at every age. What actually changes with age is fluid vs crystallised ability — here's the difference.
- How IQ tests are scored: from raw answers to a 3-digit number
The path from your raw answers to an IQ score involves a norming sample, a bell curve, and a bit of statistics. Here's what happens step by step.