Welcome to iqt3st.com – Take an IQ Test Online

Discover your intelligence score with over 50 high-quality IQ tests at iqt3st.com. The tests cover a wide range of cognitive domains, including Numerical IQ tests, Spatial IQ tests, Verbal reasoning tests, and combined Spatial/Numerical IQ assessments.

Most of the tests on this platform were developed by Randy Myers, an IQ test developer with more than 10 years of experience. Randy is also a published author in logic and fiction, known for designing tests that are both challenging and scientifically valid.

All IQ tests are scored instantly upon submission, and every result includes a downloadable PDF certificate – perfect for sharing or personal records.

The tests are normed using Pearson’s R, the professional standard for measuring test reliability and validity. Most IQ tests on this website have a Pearson’s R value of +0.80 or higher, indicating a strong positive correlation and dependable scoring accuracy.

Whether you're curious about your intelligence, preparing for a Mensa-style exam, or just love cognitive challenges, iqt3st.com is the ideal place to take an IQ test.

and see where you stand!

There are 843 registered test-takers.

There are a total of 1251 test submissions.