Is an IQ of 187 Good? What It Means & Where You Stand
Classification
Theoretical Maximum
Percentile
>99.9999th
Rarity
Fewer than 1 in 2.5 million
High
What Does an IQ of 187 Mean?
An IQ of 187 represents cognitive ability so extreme that fewer than 1 in 2.5 million people could plausibly reach it — approximately 3,100 people globally. This is so far beyond the reach of any measurement instrument that the score functions entirely as a symbolic descriptor. At this level, the individual is among the most cognitively extreme members of their species — a distinction that, across all of human history, may apply to only a few hundred individuals.
An IQ of 187 places you at the >99.9999th percentile, which means you scored higher than approximately >99.9999% of the general population on a standardized intelligence test. This score falls into the Theoretical Maximum range on the IQ scale. With a rarity of Fewer than 1 in 2.5 million, this score is uncommon and indicates strong cognitive abilities.
To understand how IQ scores are calculated and what they measure, see our complete guide on what IQ is and how it works. For a full breakdown of all score ranges and their meanings, visit our IQ score ranges page.
Career Context for an IQ of 187
Traditional career concepts do not apply at this level. These individuals define and create intellectual frameworks that subsequent generations use as the foundations of their own work — a cognitive legacy rather than a career.
Cognitive Profile at IQ 187
IQ 187 sits in a range where the psychometric construct of intelligence reaches its practical limits as a descriptive tool. The gap between IQ 150 and IQ 187 in terms of measurable cognitive performance is entirely unspecified — no instrument exists to measure it, no normative sample validates the scale at these extremes, and no theory clearly predicts what cognitive characteristics would distinguish these levels. The appropriate intellectual response to questions about IQ 187 is radical uncertainty: we know that some humans are cognitively extraordinary by any measure; we do not know how to precisely quantify that exceptionality at these extremes; and the specific number 187 conveys a false precision that the underlying science does not support.
What Research Says About IQ 187
The practice of assigning specific high IQ numbers to historical or contemporary figures serves social functions — communicating admiration, establishing hierarchies within gifted communities, making extraordinary achievement legible to popular audiences — that are separate from and often in tension with psychometric accuracy. Researchers who study extraordinary cognitive achievement tend to avoid specific IQ numbers at the extreme end precisely because those numbers convey false precision. The biographical and scientometric methods they use instead — counting publications, measuring impact, assessing the originality and breadth of contributions — provide better evidence about cognitive exceptionality than any test score.
Day-to-Day Life with an IQ of 187
Rather than describing a hypothetical person at IQ 187, it is more instructive to note what the intellectual biography of Noether, Einstein, or Turing tells us about cognition at the extreme tail. Each produced work that appears, in retrospect, to have been inevitable — as if the insight were waiting to be found and only needed the right mind to encounter it. Yet each also worked in a very specific historical and institutional context that made their work possible. Einstein's special relativity required the experimental results of Michelson-Morley and the theoretical work of Lorentz; Turing's computability theory required the foundational crisis in mathematics that Gödel had precipitated. Extraordinary minds operate in and on their intellectual environments.
SAT Equivalent
1600
old 1600 scale
ACT Equivalent
36
composite score
How Does an IQ of 187 Compare?
Here's how a score of 187 compares to nearby IQ scores:
Nearby IQ Score Comparison
| Score | Classification | Percentile |
|---|---|---|
| IQ 172 | Exceptionally Advanced | >99.999th |
| IQ 173 | Exceptionally Advanced | >99.999th |
| IQ 174 | Exceptionally Advanced | >99.999th |
| IQ 175 | Unmeasurable | 99.99999th |
| IQ 176 | Exceptionally Advanced | >99.999th |
Frequently Asked Questions
Is 187 IQ possible?
For an extraordinarily small number of people, cognitive abilities consistent with this extreme estimate may exist. Measurement is completely impossible at this level; the number is a symbolic indicator of being among the most cognitively extreme humans ever.
How rare is a 187 IQ?
Fewer than 1 in 2.5 million people. In the United States, roughly 132 individuals. Globally, perhaps 3,100 people.
Who has an IQ of 187?
No confirmed records exist. Only a tiny number of retroactive estimates for history's greatest intellects approach this range, with all the significant uncertainty that retroactive IQ estimation entails.
Famous People with an IQ Around 187
The following well-known figures have estimated IQ scores close to 187:
- Isaac Newton — Laws of motion, calculus, gravity (estimated IQ: 190–200)
- Garry Kasparov — Chess world champion, political activist (estimated IQ: 190)
- Gottfried Wilhelm Leibniz — Co-inventor of calculus, philosopher, polymath (estimated IQ: 182–205)
- Srinivasa Ramanujan — Self-taught mathematical genius, number theory, infinite series (estimated IQ: 185)
- Aristotle — Logic, biology, ethics, politics, metaphysics — the first systematic scientist (estimated IQ: 190)
Explore Other IQ Scores
Take our free IQ test to find out where you stand, or learn more about what IQ really measures.
MyIQScores Editorial Team
Researchers in cognitive psychology, psychometrics & educational science
Last updated
May 10, 2026
All content on MyIQScores is reviewed for scientific accuracy against peer-reviewed research in cognitive psychology and psychometrics. Our editorial team cross-references each article with published literature before publication and updates pages whenever new research warrants a revision.