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UNDERSTANDING IQ SCORES

Is 137 a good
IQ score?

Yes. It is a very high score. On the standard IQ scale, 137 is above the 99th percentile, about 1 in 147 at or above.

An IQ of 137 sits in the very high range, higher than about 99.32% of people on a mean-100, SD-15 scale. This is a theoretical model comparison, not an observed population ranking. Here is what that means, and what it does not.

Reference score
137
Percentile
99.32%
At or above
1 in 147
Reference scale
100 mean / 15 SD

Prepared by IQInsight · Calculation guide · Updated 1 November 2026

What 137 meansHow tests label itThe calculationNearby scoresCommon questions

137 is well beyond two standard deviations above the mean.

A score of 137 is 37 points above the mean, a z-score of about 2.47. The model places about 99.32% of values below it and 0.68% at or above it, approximately one in 147. It sits in the band that common manuals label very superior or extremely high, 130 and above.

From 135 to 137 the tail narrows from about 0.98% to 0.68%, and the one-in figure moves from 102 to 147. Near the top of the scale a couple of points change rarity figures noticeably, which is one reason high scores need well-normed tests to interpret.

How test manuals label 137.

Professional tests describe score ranges with standard labels. On the WAIS-IV, 137 falls in the very superior range; the newer WISC-V calls the same range extremely high. The labels describe ranges on those specific tests and change at fixed boundaries, so a score a point or two from an edge is not meaningfully different from one just across it.

Descriptive classifications used by the WAIS-IV and WISC-V
Score rangeWAIS-IV labelWISC-V label
130 and above (137)Very superiorExtremely high
120–129SuperiorVery high
110–119High averageHigh average
90–109AverageAverage
80–89Low averageLow average
70–79BorderlineVery low
69 and belowExtremely lowExtremely low

High-IQ societies such as Mensa admit people who score at or above the 98th percentile on an approved, supervised test, roughly 130 on an SD-15 scale. Online estimates, including IQInsight’s, do not count toward membership.

How precise is one result?

Every test score contains some measurement error. Professionally normed tests report a confidence interval, a band of several points around the score, and two results a few points apart often overlap. IQInsight has not been calibrated against a representative population, so it cannot provide a reliable interval for its estimates.

How the percentile is calculated.

The reference uses a mean of 100 and a standard deviation of 15. First convert the score to a z-score, then find the area below it on the standard normal curve.

z = (137 − 100) ÷ 15 = 2.4667

Percentile = Φ(z) × 100 ≈ 99.32%

At or above = (1 − Φ(z)) × 100 ≈ 0.68%

Approximate rarity = 1 ÷ (1 − Φ(z)) ≈ 1 in 147

Calculations use full precision before rounding. Φ is the cumulative standard normal distribution; the NIST statistical handbook explains this mathematical function. This reference does not validate IQInsight or any individual test.

Very high range on the reference scale

99.32%theoretical percentile
1 in 147at this score or higher
137
557085100115130145

Theoretical normal distribution. Mean 100, standard deviation 15. This does not measure your IQ or compare you with IQInsight users.

Put the number in perspective.

In a normal distribution with mean 100 and standard deviation 15, about 0.68% of scores fall at or above 137. That is approximately one in 147. The figure describes the reference model; it is not a count of people we have tested.

The quality of the test matters.

A number alone does not show how accurately it was measured. An established, professionally administered test has supporting evidence and defined interpretation rules. An online exercise without representative norms cannot establish the same conclusions.

Nearby scores on the same scale.

Theoretical percentiles, mean 100 and standard deviation 15
ScoreTheoretical percentileAt or above
13097.72%2.28%
13298.36%1.64%
13599.02%0.98%
13699.18%0.82%
137 (this page)99.32%0.68%
14099.62%0.38%
14199.69%0.31%
14599.87%0.13%
14899.93%0.07%

See all 25 score guides. For values between these guides, use the calculator above or the full IQ chart.

What can you do with a score of 137?

A 137 is a rare result on the reference scale. If it came from an online test, treat it as provisional; a supervised, professionally normed test is the way to confirm a score at this level.

Read how IQInsight handles estimates

A reasoning example to explore.

A score alone cannot tell you how a person thinks through a problem. This published sample illustrates a reasoning method; it is not calibrated to a 137 IQ level and does not predict a score.

At step 0, a marked arrow points up. Every step rotates the whole figure 90° clockwise. After every even-numbered step, reflect it top-to-bottom across a fixed horizontal line. Which complete figure appears at step 5?

Sample question figure Arrow points up. Its circular mark is above and right of the center.
  • A. Right, with the mark below the arrow
  • B. Right, with the mark above the arrow
  • C. Left, with the mark above the arrow
  • D. Up, with the mark on the right
Reveal the answer and reasoning

Answer: Right, with the mark below the arrow. The directions after full steps are right, up, right, up, right. At step 4 the whole figure is back at its starting position. The fifth clockwise turn points right and puts the original right-side mark below the arrow.

Check an alternative: Right, with the mark above the arrow. The direction matches step 3, but the mark has the wrong reflected position for step 5.

Try this approach. Track both the arrow tip and the asymmetric mark; apply rotation before reflection on even steps.

This is one of our public sample questions. Seeing the solution may make a future attempt more familiar. Explore the sample report to see how answers are explained.

A few things you might be wondering.

Clear answers, before you begin.

Is 137 a genius IQ?+

There is no scientific threshold for genius. 137 is very high on the reference scale, higher than about 99 in 100 values, but words like genius are popular labels rather than test classifications.

What percentile is an IQ of 137?+

On a scale with mean 100 and standard deviation 15, 137 is above the 99th percentile: about 0.68% of values are at or above it. Tests with a different standard deviation give a different percentile for the same number.

Is 137 a good IQ score?+

On a theoretical scale with mean 100 and standard deviation 15, 137 is in the very high range, higher than about 99.32% of people on a mean-100, SD-15 scale. This is a theoretical model comparison, not an observed population ranking. Whether a particular test result supports that interpretation depends on the quality and standardization of that test.

How rare is an IQ of 137?+

Under that normal-distribution model, about 0.68% of values are at or above 137, approximately 1 in 147. This is a mathematical reference, not observed IQInsight user data.

Does this number describe all of my abilities?+

No. IQ scores do not describe every skill, interest, quality or circumstance. A score on an unstandardized online exercise is especially limited and should not be treated as a diagnosis or a prediction of personal success.

Can I compare scores from different tests?+

Only with care. Tests can differ in norms, scales, questions, administration and reliability. Similar-looking numbers are not necessarily equivalent measurements.

Can I get my result without paying?+

Yes. IQInsight provides your estimated score, theoretical percentile and four-area breakdown for free. The optional report explains the answers in more detail.

Explore your reasoning with a free test.

Explore the questions behind your own result.

Take the free test

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