Spinosaurus
14 m (45.93 ft)
Body length, nose to tail
The sail-backed river hunter of Cretaceous North Africa, measured nose to tail. About 14 m long: longer than any other known meat-eating dinosaur.
Published
How big is that?
14 m is 8 times an adult man and 52% of a blue whale.
Spinosaurus is the 3rd largest of the 31 Prehistoric Giants objects, and the 54th largest of the 109 objects across all three SizeItUp games.
Closest in size from the other games: Hubble Space Telescope (Cosmic Scale), 13.2 m long and Mount Rushmore (Washington's head) (Classic), 18.3 m tall.
Size comparison
To scale, smallest to largest: Spinosaurus in orange beside the Prehistoric Giants objects nearest in size, in teal.
| Object | Size | vs Spinosaurus |
|---|---|---|
| TitanoboaA giant snake from the swamps of Paleocene Colombia, laid out straight. | 13 m long | 93% of the size |
| Giraffatitan (Berlin skeleton)A long-necked sauropod from Jurassic Tanzania, mounted with its head held high. | 13.27 m tall | 95% of the size |
| Spinosaurus | 14 m long | – |
| Diplodocus (Dippy, NHM London)Dippy, the Natural History Museum's famous Diplodocus cast, measured head to tail. | 26 m long | 1.9× bigger |
| Blue whale (Large adult)The largest animal that has ever lived. Measured nose to tail notch. | 27.1 m long | 1.9× bigger |
In other units
| Centimetres | 1,400 |
|---|---|
| Metres | 14 |
| Inches | 551.2 |
| Feet | 45.93 |
| Yards | 15.31 |
How it's measured
Body length, nose to tail. Natural History Museum; Sereno et al. 2022 (just under 14 m).
Body length runs from the tip of the snout to the tip of the tail, following the spine.
Sources
- nhm.ac.uk: At 14 metres (46 feet) long from nose to tail.
- elifesciences.org (supporting): Sereno et al. 2022, eLife: an adult S. aegyptiacus is just under 14 m long.
Checked against the source on .
Could you have guessed it by eye?
Spinosaurus is one of the objects in Prehistoric Giants, a daily size comparison game: you stretch a shape to the size you think is right beside one you know.