The Digital Architecture of the Self • EST. 2024

IQ
What IQ measures, what your score means, and how to test it properly.
The LifeScore IQ test25 visual puzzles, about 12 minutes. See where you sit on the curve.Start the IQ test
IQ explained: the full guide
Understand IQ
Average IQWhat 100 means and who sets it
What is a good IQ?Where good, high and gifted start
IQ classificationsEvery band, from 55 to 160+
Average IQ by ageHow scores are normed by age
Signs of high intelligence26 signs, explained
Read your score
IQ score percentilesEvery score from 70 to 200
IQ chartScore ranges and what they mean
IQ bell curveSee a score on the distribution
IQ percentile calculatorShare of people below a score
SAT, ACT and GRE to IQConvert a test score to IQ
IQ tests
IQ tests explainedRaven's, WAIS and Mensa
IQ tests by age and groupTeens, adults, seniors and more
IQ test for teensHow the test works at 13 to 19
IQ test questions and answersWorked examples, step by step
Daily IQ puzzleOne new matrix puzzle a day
Famous IQs
Famous people and their IQEinstein, Newton and 150 more
Fictional character IQsSherlock, Tony Stark, Rick and more
Smartest fictional charactersThe ranked list
Look up a scoreIQ 110 IQ 115 IQ 120 IQ 125 IQ 130 IQ 140
Practice tests
Timed practice for the hiring, military and nursing tests, scored the moment you finish.
Which test are you facing?CCAT, Wonderlic, ASVAB, TEAS or a reasoning test. Find yours and practise under real timing.Find your test
All aptitude and exam practice tests
Job aptitude tests
CCAT practice test50 questions in 15 minutes
Wonderlic practice test50 questions in 12 minutes
Numerical and verbal reasoning testSHL-style graduate tests
CCAT vs WonderlicWhich one you are facing
Employer assessmentsWhat a named employer’s test asks
Military and nursing
ASVAB practice testThe four AFQT subjects, timed
AFQT score calculatorPercentile and branch minimums
TEAS practice testReading, math, science, English
TEAS score calculatorEstimate your ATI level
Scores and guides
What is a good CCAT score?Averages and scores by role
Wonderlic score chartEvery score with its percentile
What is a good ASVAB score?AFQT minimums by branch
What is a good TEAS score?ATI levels and program cut-offs
How to pass
How to pass the CCAT
How to pass the Wonderlic
How to pass the ASVAB
How to pass the TEAS
How to pass reasoning tests
Careers
Match your strengths to work that fits, and see what different careers ask of you.
Career aptitude testFind the kinds of work that fit how you think and what you value.Start the career test
All career guides
Careers and IQ
IQ needed for careersTypical ranges by field
Average IQ by profession87 jobs, from nurse to physicist
Average IQ by college majorRanked, from SAT and GRE research
IQ tests for job seekersWhat employers actually test
Study and universities
Average IQ by universityEstimated IQ and student profiles
Highest IQ universitiesThe ranked list
Career IQ matcherCareers that fit your score
Tools
Calculators for any IQ score, plus short tests of memory, speed and reasoning.
Mental age test14 quick questions on choices, maturity and reasoning. How old does your mind act?Try the mental age test
All tools and calculators
IQ calculators
IQ rarity calculatorHow rare a score is, as 1 in N
Percentile to IQ converterThe reverse lookup
IQ by age calculatorAdjust a score for age
Mental age calculatorThe classic ratio formula
Mensa eligibility checkerQualifying scores by test
Standard score to percentileScaled, T and z scores from a report
Brain tests
Digit span memory testHow many digits you can hold
Processing speed testSpeed under time pressure
Number sequence testFind the rule, fill the gap
Pattern recognition testSpot the rule in a grid
Reaction time testMilliseconds, measured
Matrix reasoning practiceLearn the five rules, one at a time
N-back working memory testSingle or dual, 1-back to 4-back
Just for fun
Are you smarter than AI?Your score against the models
Who are you smarter than?Your IQ against 180 famous minds
Compare two IQ scoresHow far apart they really are
Journal
Evidence-led articles on intelligence, personality, careers and the mind.
Intelligence, explainedWhat the research says about IQ, memory, ageing and getting sharper.Read the intelligence articles
All Journal articles
Topics
Intelligence
Personality
Career
Decision making
Start here
At what age is IQ highest?How each ability peaks and declines
The Flynn effectWhy scores rose, and now fall
The g factorGeneral intelligence, explained
Is IQ genetic?Heritability by age
Personality
The Big Five traits, what they predict, and tests that measure them.
Big Five personality testYour scores on the five traits psychologists actually use.Start the personality test
The Big Five personality guide
The Big Five
Openness to experienceCuriosity, imagination, new ideas
Short Big Five quizA quick read on all five traits
Personality articlesTraits, types and what they predict
More tests
Emotional health testMood, stress and regulation
Emotional intelligence testRead and manage emotions
Enneagram testYour type in nine
Attachment style quizHow you bond and argue

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Mental Health

Articles about mental health, with the research behind them.

Mental Health
The Surprising Link Between High IQ and Depression
Research reveals why intelligent people may be more prone to mental health challenges.
11 min read

The Surprising Link Between High IQ and Depression