Koala brain size comparison: how tall is the Koala brain?
Koala brain: 2.3 cm · 0' 1" tall
Brain mass 19 g (0.01× human) · size estimated from mass · fills only ~60% of its skull
Koala brain is 2.3 cm · 0' 1" tall. That is about 76.0× 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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