Tyrannosaurus rex: how big is it?
Tyrannosaurus rex is about 12.3 m. In everyday terms, that is ≈ 7.2 people.
- Size
- 12.3 m
- In metres
- 1.23 × 10¹ m
- Everyday comparison
- ≈ 7.2 people
- Chapter
- Giants
Did you know?
One of the biggest meat-eating dinosaurs, up to about 12 metres long. It lived around 66 to 68 million years ago.
How it compares
- Roughly the same size as City bus (12 m).
- About 1.6× smaller than Cricket pitch (20.1 m).
Other things of a similar size
- Giraffe 5.5 m
- City bus 12 m
- Cricket pitch 20.1 m
- Train coach 23.5 m
- Coconut palm 25 m
- Gateway of India 26 m
Sizes are rounded, typical values drawn from standard reference sources, including NIST/CODATA physical constants and NASA's planetary fact sheets. Real objects vary; see About for how sizes are chosen.