How big was a Triceratops?
Triceratops was about 30 ft9.1 m1 long, up to; scientists' estimate. A plant-eater with three horns and a big bony frill.
Triceratops next to you
Next to a child about four feet tall: Triceratops is about 8 of you long, lying head to toe.
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Where the numbers come from
- USDA Forest Service, Dakota Prairie Grasslands: prehistoric animals, checked 30 October 2026.