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Prehistoric Life

How tall was Brachiosaurus altithorax?

An adult Brachiosaurus altithorax was about 13 m (43 ft) tall.

What is measured: Adult, ground to head height

Brachiosaurus altithorax (13 m) drawn to scale beside a city bus (12 m) and the Statue of Liberty (93 m)
Drawn to scale, from left to right: City bus (12 m), Brachiosaurus altithorax (13 m) and Statue of Liberty (93 m).

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How big is that, really?

  • About the length of a city bus
  • About 55% of the length of a tennis court
  • About 6.5× as tall as a doorway
  • About 2.1× the length of a 20-foot shipping container
  • About 14% of the height of the Statue of Liberty

Learn

Facts about Brachiosaurus altithorax

Brachiosaurus had unusually long forelimbs, giving it a giraffe-like stance among sauropod dinosaurs.

Source: American Museum of Natural History — Brachiosaurus; Encyclopaedia Britannica — Brachiosaurus

Prehistoric Life

NameSizeCompared with Brachiosaurus altithorax
Kronosaurus queenslandicus10.5 m (34 ft)0.81×
Deinocheirus mirificus11 m (36 ft)0.85×
Suchomimus tenerensis11 m (36 ft)0.85×
Mosasaurus hoffmannii12 m (39 ft)0.92×
Saurolophus osborni12 m (39 ft)0.92×
Mapusaurus roseae12.2 m (40 ft)0.94×
Brachiosaurus altithorax13 m (43 ft)this page
Titanoboa cerrejonensis13 m (43 ft)same size
Livyatan melvillei13.5 m (44 ft)1×
Giraffatitan brancai13.5 m (44 ft)1×

Test your sense of scale

Which is bigger: Brachiosaurus altithorax or Kronosaurus queenslandicus?

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