Burj Khalifa is about 3.74 times as tall as Hoover Dam. Selected basis: approximate values.
Both rulers start at the same zero and share one linear scale. Artwork keeps its original proportions. Horizontal rulers compare the selected spans; vertical brackets also identify height on the artwork.
221.4 m - Height; rounded landmark reference.
Hoover Dam is a concrete barrier on the Colorado River that controls water flow and generates hydroelectric power.
A rounded 221.4 m structural-height anchor; water level changes.
Defined examples — our methodology828 m - Height; specified.
Burj Khalifa is a skyscraper in Dubai, United Arab Emirates, completed in 2010.
Architectural height to the top of the spire, 828 m. It is useful to compare consistently stated heights, since roof, antenna and occupied-floor heights differ.
Guinness World Records — Burj Khalifa
There’s always another scale
Built worldHoover Dam221.4 mHoover Dam is a concrete barrier on the Colorado River that controls water flow and generates hydroelectric power.
Built worldBurj Khalifa828 mBurj Khalifa is a skyscraper in Dubai, United Arab Emirates, completed in 2010.
Built worldEiffel Tower330 mThe Eiffel Tower is a wrought-iron lattice structure in Paris, France, and a famous global landmark.
PeopleHuman1.75 mA human is a primate of the species Homo sapiens, distinguished by habitual upright walking, language and complex tool use.
PlacesMount Everest8.849 kmMount Everest is the highest mountain above sea level, located in the Himalayas on the border between Nepal and China.Side by side
Illustrative artwork · not to scale
Illustrative artwork · not to scale
Illustrative artwork · not to scaleIllustrative artwork · not to scaleGot a good eye for scale?