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Most Accurate Online IQ Tests (Completely Free!)

Online IQ tests need to be quick and to the point to be effective. Using multiple-choice questions and simple calculations, they need to be able to measure your general knowledge, not just your raw IQ. The truth is, there are many online tests and quizzes that you can take that will let you accurately measure your IQ, but they are often expensive or require a subscription, and they are generally not free. So, we’ve done the research and compiled the most accurate online IQ tests that don’t cost a penny or require a subscription, and they are all free to take.

Here are the following most accurate online IQ tests that are completely free:

IQ Test Institute

IQ Test Institute is the ultimate destination for accurate and reliable intelligence testing. Are you curious to know how your intelligence measures up to others? With over a decade of experience, our tests have been taken by thousands of individuals, and the results have been used by employers, educators, and researchers worldwide. Take our IQ test today and discover your unique cognitive strengths and weaknesses.

IQ Test Prep

IQ Test Prep is one of the most accurate online IQ Tests that are free. It is also a good way to train your brain in a way that it can be accessed at any time. This is a very interesting way to test your IQ. The makers of this test believe that you will train your brain to gain a better IQ score.


PsychTests is one of the most accurate online IQ tests available, and it is also one of the best known and loved. It is easy to take; it is all about writing expression, spelling, and vocabulary and is good for people of all ages. has been around for several years and has a large database of tests for all kinds of people. This IQ test provides users with an opportunity to discover their IQ level. The website has many different tests that measure different aspects of intelligence, including verbal, spatial, mechanical, mathematical, and memory scores. According to the website, the only way to find out if you have an IQ of 120 or higher is to take a test.


Memorado is one of the most accurate online IQ tests, available free of charge and created by the same people who run the popular and highly-regarded Raven’s Matrices and other tests. The test is designed to be completed in around 25 minutes and to give a score between 80 and 120, with the stronger side of that range meaning the person is more intelligent than average. The test is scored by analyzing letter-based responses and by analyzing word-based responses. If you haven’t already taken the test, then you’re missing out on a lot of fun and a great way to measure your intelligence.

123tests is the world’s most widely used online test. This award-winning online test checks the basic abilities and forces you to think in a different way. is a widely used online test that has six levels of difficulty, making it a great test for anyone who wants to improve their IQ or how they think. It also includes a growing collection of topics and over 1,000 questions on a wide range of topics.

Online IQ tests are popular among all age groups and professions, whether you are taking the test to help improve your own IQ or to confirm if you have a learning disability that needs to be addressed. One popular IQ test is the, which is ranked number one online by many users. This test measures cognitive performance and is available through the Internet or through a mobile app. It can also be taken on your computer, and results are recorded in an online database, which users can access and share.


FunEducation is designed to take the best of IQ tests and combine them with puzzles and games to make a fun, interactive, and educational experience. The test is designed to measure your English level and your IQ test score, along with your answers to 40 questions. This test is designed to measure your English level and your IQ test score, along with your answers to 40 questions. 

Brain Metrix

Brain Metrix is an online IQ test that uses multiple tests to score your intelligence. It is a German company that is expanding well into the US market. The company has been around for a while and has an excellent track record. They offer three free online IQ tests: one for English, one for mathematics, and one for vocabulary. We show the results on a chart, and you can see the correlations between our tests and the real life IQ test results. And it is free.

It’s always a good thing to know what your IQ really is. There are some websites that offer these tests. Unfortunately, the results are not accurate enough.  You have to pay money in order to know your IQ score. There are a few websites that offer this kind of test for free. One of them is It is one of the most accurate online IQ tests that are free. The test results are quite reliable and accurate, and it only needs five to ten minutes to complete. The site accepts both visitors from all over the world and also test takers from all over the world.

Tiptopglobe is one of the most accurate online IQ tests that are free. There are thousands of online IQ tests out there with different types of questions, but the most accurate ones are those that test mental ability in real life. This is the case of the IQ test that I have created on my website, You don’t have to be a genius to get an accurate score. Tiptopglobe tests your IQ in different areas of your mind, including vocabulary, verbal reasoning, and speed reading.

The best way to learn about yourself is to take an IQ test. This provides a peek into your abilities, strengths and weaknesses, and how you view the world. Online IQ tests are usually very expensive, with the most expensive ones costing tens of thousands of dollars and using customized algorithms to provide you with a score. The good thing is that you can find free online IQ tests that will also help you in your quest to be confident and ace the GED, ACT, and SAT.