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.
T-Rex brain (estimate) in other units
| Unit | Size |
|---|---|
| Centimetres | 5.9 cm |
| Metres | 0.06 m |
| Feet and inches | 0' 2" |
| Inches | 2.3 in |
How small is it next to a person?
An average man (171 cm) is about 29 times as tall as T-Rex brain (estimate). It would reach about the sole of his shoe.
What is about the same size as T-Rex brain (estimate)?
| Compared with | Size | Difference |
|---|---|---|
| Axolotl (Reptiles & bugs) | 6 cm · 0' 2" | 0.11 cm taller (1.9%) |
| Mole (Mammals) | 6 cm · 0' 2" | 0.11 cm taller (1.9%) |
| Sahelanthropus brain (estimate) (Human species) | 6 cm · 0' 2" | 0.1 cm taller (1.7%) |
| Ardipithecus brain (Human species) | 5.8 cm · 0' 2" | 0.1 cm shorter (1.7%) |
| Pool ball (Balls) | 5.7 cm · 0' 2" | 0.19 cm shorter (3.2%) |
| Tiger brain (Mammals) | 5.6 cm · 0' 2" | 0.32 cm shorter (5.4%) |
| Stegosaurus brain (estimate) (Birds, sharks & more) | 3.6 cm · 0' 1" | 2.26 cm shorter (38.4%) |
More in Birds, sharks & more
- Ostrich brain — 2.5 cm · 0' 1"
- Emu brain — 2.3 cm · 0' 1"
- Raven brain — 2 cm · 0' 1"
- Crow brain — 1.8 cm · 0' 1"
- Owl brain — 1.8 cm · 0' 1"
- Parrot brain — 1.8 cm · 0' 1"
- Chicken brain — 1.3 cm · 0' 1"
- Pigeon brain — 1.1 cm · 0' 0"
- Great white shark brain — 2.7 cm · 0' 1"
- Honeybee brain — 0.1 cm · 0' 0"
- Stegosaurus brain (estimate) — 3.6 cm · 0' 1"