Guides

A polar bear stands 130-160cm at the shoulder, and a large Kodiak can reach 3m on its hind legs. See bear heights next to an average man.

Tigers stand 80-110cm at the shoulder, cheetahs 67-94cm and leopards 57-70cm. See big cat shoulder heights next to an average man and Smilodon.

An African bush elephant bull stands about 3.2m (10.5ft) at the shoulder, 1.8 times an average man. Compare Asian, forest elephants and mammoths.

How tall is a horse? One hand is 4 inches (10.16cm). See Shire, Thoroughbred and Shetland heights in hands and cm next to an average man.

Woolly mammoths stood up to 3.49m at the shoulder; Paraceratherium reached about 4.8m. Compare prehistoric giants with an average man.

A moose stands 1.4-2.1m at the shoulder, taller than most people. Compare moose, red deer, roe deer and the extinct Irish elk with an average man.

How big were the biggest dinosaurs? Argentinosaurus was about 35m long, T. rex 12m and Velociraptor only 1.8m. See each one compared with a person.

Dog height by breed compared with a person: from Jack Russells at 25-30cm to Irish wolfhounds at 79cm and up, using Kennel Club breed standards.

How tall are the world's famous landmarks? Burj Khalifa is 828m, the Eiffel Tower 330m and Big Ben 96m. See 20 landmarks ranked and compared with a person.

How high is a football goal, basketball hoop, volleyball net or tennis net? 12 official sports heights in metres and feet, compared with a person.

NBA players average 6'7" (200.7cm) overall for the 2025-26 season. See average height by position, from point guard to centre, with sources.

Blue whale size comparison: they can exceed 30m (98ft) in length, roughly a third of Big Ben's height. See how that length compares to everyday things.

Giraffe height compared to human: bulls top 5.5m (18ft), cows about 4.5m (15ft) — several times an average adult's height. See the full comparison.

Standard door height UK is 1981mm (6'6"); US doors are 80in (2032mm). Plus ceiling and kitchen worktop height standards for the UK and US, compared.

T rex size compared to human: hip height about 3.6-3.9m in its normal walking posture, or 6.5m+ if reared upright. See the full size comparison.

Robert Wadlow, at 2.72m (8ft 11.1in), is the tallest person ever verified by Guinness World Records. See how he compares to other record heights.

Average height for a 13, 14, 15 and 16 year old boy and girl on the WHO growth reference, with the normal range at each age and a free calculator.

Average height for a 1, 2, 3, 4 and 5 year old boy and girl on the WHO child growth standards, with the normal range at each age in cm and inches.

Average height for a 10 year old: 143cm (US CDC) or about 138cm (WHO international). See both references compared, plus a free percentile calculator.

Can you grow taller after 18? Growth plates fuse in the late teens for most people. Here's what the biology says, and what's just an illusion.

What does 75th percentile height mean? A plain guide to percentiles, why WHO and CDC charts disagree, and why a growth trend matters more than one reading.

Four ways to estimate a child's adult height: mid-parental formula, doubling age 2, Khamis-Roche and bone-age X-rays, with accuracy and a free calculator.

Boys' height growth tapers off gradually, usually finishing between 16 and 19. See the CDC data, the growth-plate cause, and why it's later than girls.

Most girls' height plateaus between about 14 and 18, driven by growth-plate fusion after puberty. See the CDC data and the age range explained.

Average height in Europe for 30 countries, ranked: Dutch men average 183.8cm and Portuguese men 174.4cm. See men, women and the gap for each.

Average male height by country, from Netherlands (183.8cm) to Timor-Leste (159.8cm), across 69 countries. Free calculator to rank your own height.

Average female height by country, from Netherlands (170.4cm) to Guatemala (149.4cm), across 69 countries. Free calculator ranks your own height.

Average height in the US by age, from 2 to adult, for boys, girls, men and women, using the CDC/NHANES reference. Free calculators included.

Average height UK by age, from 5 to adult, for boys and girls, using the WHO growth reference. Free percentile and country average calculators.

The shortest countries in the world by average height, led by Timor-Leste (men) and Guatemala (women), from this site's 69-country dataset, and why.

The tallest countries in the world by average height, led by the Netherlands (183.78cm men, 170.36cm women), from this site's 69-country dataset.

The Netherlands has the tallest average height in this site's dataset (183.78cm men). Here's what research says explains it, and how sure we can be.

Most people lose a little under half an inch (about 1.2cm) of height each decade after 40. See what causes it, what is normal and when to see a doctor.

How to measure your height accurately at home, alone, with no second person — the wall-and-flat-object method, common mistakes, and why timing matters.

You lose about 1.93cm of height across the day. Here's the spinal-disc reason why, backed by the original circadian height study.

Is 5'10" (177.8cm) tall for a man? It is a little above the US average and level with the UK average. See percentiles and a free calculator.

Is 5'2" (157.5cm) short for a woman? It is about 6cm below the US and UK averages but common worldwide. See percentiles and a free calculator.

Is 5'5" (165.1cm) tall for a woman? See her exact US percentile, and how she compares to UK and global averages, with a free calculator.

Is 5'8" (172.7cm) tall for a man? See the exact US percentile, and how it compares to UK and global averages, with a free calculator.

About 14% of US adult men are 6 foot (182.9cm) or taller, per CDC/NHANES data. See the maths, the percentile, and how it varies by country.

About 1.3% of US adult women are 5'10" (177.8cm) or taller, per CDC/NHANES data. See the maths, the percentile, and how it compares by country.

170 cm in feet and inches is 5'7" (66.93in). See how 170cm compares to the average man and woman, with a free converter and comparison board.

180cm converts to about 5'11". See the exact conversion, plus how 180cm compares to the US and UK average male height.

A 30cm height difference is 11.81 inches, just under a foot. See a worked example against UK averages, a comparison board and a free calculator.

A 6-inch height difference is exactly 15.24cm — close to the UK's average male-female height gap. See a worked example, a comparison table and calculator.

A 2022 study found women prefer men ~2.3cm taller than average, men prefer women ~2.5cm shorter than average. What that does, and doesn't, mean.