About Height.compare and How We Measure

Height.compare is a free height comparison tool that puts people and anything else side by side, to scale, from atoms to galaxies.

Which measurement do we use?

Every entry has one number in meters along one named dimension:

• Height for people, buildings, mountains and standing animals (to the top of the head or tip).
• Length for most animals (nose to tail tip), vehicles and ships.
• Diameter for round things like planets, stars, balls and cells.

Where do famous people's heights come from?

Athletes use official league listings. Other famous people's heights are commonly reported figures, often self-reported, and are labeled "reported". Heights change with shoes, posture and age, so treat them as close estimates.

How is "how many fit" calculated?

The Compare tab gives 2 numbers. End to end divides one length by the other. By volume divides one volume by the other: spheres use 4/3 πr³, and animals and people use body mass divided by the density of water. Volume counts assume the smaller things could fill every gap.

Are the drawings accurate?

Outlines are drawn to their real proportions. Animal silhouettes come from PhyloPic, a library of scientific silhouettes. Famous people are shown as simple colored figures, never photos. A few details, such as an atom's nucleus or planets inside the Solar System drawing, are enlarged so you can see them.

Is it safe for kids?

Yes. There are no accounts, no chat, no user galleries and no ads, and no cookies are set. Nothing you type or upload is stored on a server; we only count anonymous page visits. See the privacy page.

How do I report a wrong number?

Email hello@height.compare with the page and a source.