Free height percentile calculator
See how tall you are for an adult in two seconds. Enter your height in centimetres or feet and inches, pick your sex, and the calculator returns your height percentile, your z-score, and the share of US men or women you're taller than — plus a full height percentile chart — updated live, as you type.
On this page15 sections
| Percentile | Height |
|---|---|
| 5th | 5 ft 4.2 in (163 cm) |
| 25th | 5 ft 7.1 in (170 cm) |
| 50th (median) | 5 ft 9.0 in (175 cm) |
| 75th | 5 ft 11.0 in (180 cm) |
| 90th | 6 ft 0.8 in (185 cm) |
| 95th | 6 ft 1.8 in (187 cm) |
A ranking against US adults, not a health measure. How accurate is it?
Results are estimates. Consult a professional.
What is a height percentile?
A height percentile tells you where your height ranks among other adults of the same sex. If you are in the 75th percentile, you are taller than 75% of adults of your sex — and only 25% are taller than you. The 50th percentile is exactly average; the 90th means just one in ten people are taller. This height percentile calculator takes your height and your sex and returns that ranking instantly, against the US adult population.
Percentile is a ranking, not a measurement. Your height in centimetres or feet-and-inches never changes, but your percentile depends on who you are compared against — your sex, and the country and adult population used as the reference. This tool uses the US adult distribution, split by sex, because men and women have clearly different height distributions and ranking against a combined population would be misleading.
How height percentile is calculated
Adult height, within each sex, follows an approximately normal distribution — the familiar bell curve, clustered around an average with fewer and fewer people at the extremes. That single fact is what makes a percentile computable from just two numbers: the population mean (average height) and its standard deviation (how spread out heights are).
The calculator first works out your z-score — how many standard deviations your height sits above or below the average. It then feeds that z-score into the standard-normal cumulative distribution function (CDF), which converts it into the share of the population below you. That share, expressed as a percent, is your percentile.
Because the curve is symmetric, an average height always lands at the 50th percentile, one standard deviation above average lands near the 84th, and one standard deviation below lands near the 16th. The maths is identical for both sexes — only the mean and standard deviation change.
A worked example using the height percentile calculator
Daniel is 6 ft 0 in (about 183 cm) and wants to know how tall that is for a US man. Here is exactly how the calculator scores him.
Step 1 — Find the z-score
Daniel's height (182.9 cm) minus the US men's average (175.3 cm) is 7.6 cm. Divided by the men's standard deviation (7.4 cm): 7.6 ÷ 7.4 = z ≈ 1.02. He is just over one standard deviation taller than average.
Step 2 — Convert the z-score to a percentile
Feeding z ≈ 1.02 into the standard-normal CDF gives about 0.85 — so roughly 85% of US men are shorter than Daniel. (A z of exactly 1.00 would give the textbook 84th percentile; his slight edge above one SD nudges it to about 85.)
Step 3 — Read the result
What does my height percentile actually mean?
Your percentile is the percentage of same-sex adults who are shorter than you. The calculator states the same thing two ways — your percentile, and the "taller than X%" line — because they are the same number. An 80th percentile means you are taller than 80 out of every 100 adults of your sex, and 20 are taller than you.
- 50th percentile — exactly average height for your sex. Half are shorter, half are taller.
- 84th percentile — one standard deviation above average; clearly on the taller side.
- 16th percentile — one standard deviation below average; clearly on the shorter side.
- 97th / 3rd percentile — roughly two standard deviations out — the visibly tall or short ends of the range.
Average adult height by sex and country
The calculator scores you against the US adult distribution, but it helps to see how that average compares internationally. The table below shows average adult heights by sex for a handful of countries. Note these are context only — the calculator ranks you against US figures, not the country you pick here.
| Country | Average man | Average woman |
|---|---|---|
| United States | 5 ft 9 in (175 cm) | 5 ft 4 in (161 cm) |
| United Kingdom | 5 ft 9 in (175 cm) | 5 ft 4 in (162 cm) |
| Netherlands (tallest) | 6 ft 0 in (184 cm) | 5 ft 7 in (170 cm) |
| Germany | 5 ft 11 in (180 cm) | 5 ft 5 in (166 cm) |
| Japan | 5 ft 7 in (172 cm) | 5 ft 2 in (158 cm) |
| India | 5 ft 5 in (165 cm) | 5 ft 0 in (152 cm) |
Average adult heights, rounded. Source: NCD Risk Factor Collaboration (NCD-RisC) and national surveys. US figures match the NHANES means used by this calculator (men 175.3 cm, women 161.3 cm).
The spread is real: the average Dutch man is taller than roughly 85% of American men, while the average Japanese man sits near the 35th percentile of the US distribution. This is why percentile is always relative to a reference population — the same height ranks very differently depending on whose distribution you measure it against.
Height percentile chart for US adults
Most people want to see the whole curve, not just their own number. The chart below runs the model across common heights and reports the percentile for each, by sex. Find the height nearest yours and read across — the same reference most calculators split across separate male and female pages, on one table.
| Height | Men's percentile | Women's percentile |
|---|---|---|
| 5 ft 0 in (152 cm) | — | 11th |
| 5 ft 2 in (158 cm) | 1st | 30th |
| 5 ft 4 in (163 cm) | 4th | 57th |
| 5 ft 6 in (168 cm) | 15th | 81st |
| 5 ft 8 in (173 cm) | 36th | 95th |
| 5 ft 10 in (178 cm) | 63rd | 99th |
| 6 ft 0 in (183 cm) | 85th | 99th+ |
| 6 ft 2 in (188 cm) | 96th | 99th+ |
| 6 ft 4 in (193 cm) | 99th | 99th+ |
Percentiles computed from the normal-distribution model (US men: mean 175.3 cm, SD 7.4; US women: mean 161.3 cm, SD 7.1). A dash means below the 1st percentile.
What height do you need for each percentile?
You can also read the model the other way: pick a percentile and see the height that reaches it. This is the table to use if you want to know, say, how tall you would have to be to crack the top 10% for your sex.
| Percentile | Men's height | Women's height |
|---|---|---|
| 5th | 5 ft 4 in (163 cm) | 4 ft 11 in (150 cm) |
| 10th | 5 ft 5 in (166 cm) | 5 ft 0 in (152 cm) |
| 25th | 5 ft 7 in (170 cm) | 5 ft 2 in (157 cm) |
| 50th (median) | 5 ft 9 in (175 cm) | 5 ft 4 in (161 cm) |
| 75th | 5 ft 11 in (180 cm) | 5 ft 5 in (166 cm) |
| 90th | 6 ft 1 in (185 cm) | 5 ft 7 in (170 cm) |
| 95th | 6 ft 2 in (187 cm) | 5 ft 8 in (173 cm) |
| 99th | 6 ft 4 in (193 cm) | 5 ft 10 in (178 cm) |
Heights are the model's value at each percentile, rounded to the nearest inch (US men: mean 175.3 cm, SD 7.4; US women: mean 161.3 cm, SD 7.1).
Height percentile and the z-score, explained
The z-score the calculator reports is worth understanding, because it is the bridge between a raw height and a percentile. A z-score of 0 is dead average. A positive z means taller than average; a negative z means shorter. Each whole step in z is one standard deviation — about 7.4 cm for men and 7.1 cm for women.
| z-score | Percentile | Meaning |
|---|---|---|
| −2.0 | ≈ 2nd | Well below average (shortest few percent) |
| −1.0 | ≈ 16th | One SD below average |
| 0.0 | 50th | Exactly average |
| +1.0 | ≈ 84th | One SD above average |
| +2.0 | ≈ 98th | Well above average (tallest few percent) |
The z-score-to-percentile relationship is fixed by the normal curve and is the same for both sexes — only the height each z corresponds to differs.
This is why the model needs nothing more than your height and sex: once it has your z-score, the bell curve does the rest. It is also why the percentile changes smoothly — there are no brackets or cut-offs, just a continuous curve, so an extra centimetre always nudges your percentile up by a predictable amount.
How accurate is this height percentile calculator?
For the question it answers — where an adult height ranks in the US population by sex — the model is accurate, because adult stature really is close to normally distributed and the NHANES means and standard deviations are well established. But a few honest limits are worth knowing.
- It is a US adult model. If you are not American, your true percentile against your own country's population may differ — sometimes a lot. Use the average-height table above to gauge the direction.
- It does not adjust for age. The figures are for adults overall. Average height has risen across generations and people lose a little height with age, so a single fixed distribution is a simplification.
- The normal curve is an approximation. Real height data is very close to normal but not perfectly so, especially at the extreme tails — so a 99th-vs-99.5th-percentile distinction is more precise than the model can really support.
- Sex is binary in this model because the published distributions are reported for men and women separately; pick whichever distribution you want to be ranked against.
Data sources and methodology
The population parameters are NHANES-style US adult figures from the CDC's National Health and Nutrition Examination Survey — men averaging 175.3 cm (standard deviation 7.4 cm) and women 161.3 cm (standard deviation 7.1 cm). The percentile is computed by taking the z-score and applying the standard-normal cumulative distribution function, implemented via the Abramowitz & Stegun (7.1.26) error-function approximation. The international averages in the context table come from the NCD Risk Factor Collaboration (NCD-RisC) and national surveys.
US adult height means and standard deviations: CDC / National Health and Nutrition Examination Survey (NHANES), Anthropometric Reference Data.International average heights: NCD Risk Factor Collaboration (NCD-RisC).Frequently asked questions about the free height percentile calculator
About this height percentile calculator
This height percentile calculator runs entirely in your browser — your height never leaves your device. It converts your height to a z-score against the US adult distribution for your sex and reads it off the normal curve, updating instantly as you type.
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