How Tall Online - Compare Height & BMI

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No characters added

Add characters using the panel to start comparing height.

How to use the tool

Adding characters

Choose a tab: You, Celebrities or Others
Enter details or pick from the available list
Select a silhouette color for clarity
Click Add character

Managing the comparison

Add as many characters as you want
Use +/- to zoom in and out
Click X on a silhouette to remove it
Use Share to copy a link
Switch units between cm and ft/in using the toggle above the chart

More information

Learn more:

Growing – basics about human height
Not growing – common reasons and tips

Help:

Report an issue via Contact
Read the FAQ

Human height – overview and facts

Human height is a visible physical trait influenced by genetics, health, nutrition and environment. It’s typically measured in centimeters (metric) or feet and inches (imperial).

What affects height?

Height is shaped by multiple factors:

Genetics – accounts for a large share of final height.
Nutrition – especially in childhood and adolescence.
Health – chronic conditions and hormones matter.
Environment – care access and living conditions.

Growth timeline

The most intensive phases are:

Early childhood – fastest growth.
Puberty – growth spurts vary by sex and age.

After growth plates in long bones fuse (usually before age 20), further height increase is not possible.

Average height worldwide

Global differences reflect living conditions:

Tallest populations:

Men: Netherlands (~182.5 cm)
Women: Latvia (~170 cm)

Shortest populations:

Men: Timor-Leste (~160 cm)
Women: Guatemala (~149 cm)

World averages are roughly ~175 cm for men and ~162 cm for women.

Fun fact: historians use height as a proxy for living conditions.

Height facts

Can you grow after 18? After plates close – no. Posture and exercise can help appearance.
Height and longevity: associations exist but depend on many factors.
Historical changes: averages shifted over the last century.
Sex differences: men are on average taller than women by ~13 cm.

Summary

Height reflects genetics, health and environment. Its study helps understand biology and living conditions.

What does our site offer?

An interactive tool to visualize and compare the height of people and objects.

Key features

Visual height comparison – intuitive silhouettes
Add your own characters – you and your friends
Celebrity database – actors, athletes and more
Personalization – color per character
Zoom controls – +/- for better readability
Share – generate a short link
BMI calculator
WHO centile charts

Benefits

Simple UI – no complex setup
Educational – learn about height factors
No account required

Privacy – data processed locally
Mobile friendly
Growing database

Use cases

See how you compare to your idol
Compare family members on one chart
Analyze team/class height differences
Educational use in schools/home
Show future height scenarios

How to support healthy growth

1. Until what age does growth happen?

Growth is most intense in adolescence, roughly until 18–21 years of age.

However, the pace and timing of growth completion depend on genetics and lifestyle.

2. Tips for healthy growth

Healthy diet: protein, vitamins, and calcium support bone growth.
Sleep: 8–9 hours supports recovery and growth.
Physical activity: regular sports strengthen muscles and bones.
Manage stress: chronic stress may affect hormones and growth.
Consult professionals: when in doubt, seek medical advice.

3. Key takeaway

Maintaining balance in diet and daily life.

Hydration, nutrition, movement and sleep – four pillars of growth.

What to avoid to not hinder growth

1. When can growth stop or be too low?

After reaching bone maturity (around 18–21 years), bones stop lengthening.

Some diseases, hormonal disorders, but also an unhealthy lifestyle can slow down growth.

2. What to avoid

Unhealthy diet: too much fast food and sugar lacks nutrients.
Too little sleep: affects hormones tied to growth.
Addictions: alcohol, cigarettes, drugs impair health and hormones.
Extreme diets: deprive body of nutrients needed for bones.
Excessive heavy lifting (early age): may harm joints if done improperly.

3. Worst practices

Ignoring body signals: consult a doctor if growth slows.
Neglecting rest: chronic fatigue and stress block growth.
Quick “miracle” methods: avoid dubious supplements and promises.