T-Rex brain (estimate) size comparison: how tall is the T-Rex brain (estimate)?
T-Rex brain (estimate): 5.9 cm · 0' 2" tall
Brain mass 343 g (0.25× human) · size estimated from mass · from skull endocasts
T-Rex brain (estimate) is 5.9 cm · 0' 2" tall. That is about 29.0× shorter than an average man (171 cm). Compare it side by side with people, animals, buildings and more on the board above — drag, zoom, switch cm / ft, or export an image.
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