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Prehistoric Life

How tall was Iguanodon bernissartensis?

An adult Iguanodon bernissartensis stood about 5 m (16 ft) tall.

What is measured: adult standing height

Iguanodon bernissartensis (5 m) drawn to scale beside a doorway (2 m) and a 20-foot shipping container (6.06 m)
Drawn to scale, from left to right: Doorway (2 m), Iguanodon bernissartensis (5 m) and Shipping container (20 ft) (6.06 m).

Compare

How big is that, really?

  • About 2.5× as tall as a doorway
  • About 2.9× as tall as an adult person
  • About 83% of the length of a 20-foot shipping container
  • About 42% of the length of a city bus
  • About 13× as tall as a bowling pin

Learn

Facts about Iguanodon bernissartensis

Iguanodon had a distinctive conical thumb spike and several rows of grinding teeth for processing plants.

Source: Natural History Museum, Iguanodon; Royal Belgian Institute of Natural Sciences, Iguanodon bernissartensis

Prehistoric Life

NameSizeCompared with Iguanodon bernissartensis
Palaeoloxodon antiquus4 m (13 ft)0.8×
Pachycephalosaurus wyomingensis4.5 m (15 ft)0.9×
Anhanguera santanae4.6 m (15 ft)0.92×
Iguanodon bernissartensis5 m (16 ft)this page
Kentrosaurus aethiopicus5 m (16 ft)same size
Paraceratherium transouralicum5.5 m (18 ft)1.1×
Ceratosaurus nasicornis6 m (20 ft)1.2×
Tanystropheus hydroides6 m (20 ft)1.2×
Herrerasaurus ischigualastensis6 m (20 ft)1.2×
Euoplocephalus tutus6 m (20 ft)1.2×

Test your sense of scale

Which is bigger: Iguanodon bernissartensis or Ceratosaurus nasicornis?

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