How Big Is an Allosaurus? Average Size in cm & Worksheet

Dinosaurs

Quick answer

Allosaurus is about 3.40 m tall, 9.50 m wide, and 1.50 m deep.

Height answers the common “how tall is an Allosaurus?” search. Width and depth help explain the full real-world size.

Explore Dinosaurs by size
Free Printable Pack

Start free with one worksheet. Upgrade when you need the full printable lesson pack, levels, notes, and answer key.

Size Comparison

Allosaurus size - 3.40 m dimensions
Allosaurus3.40 m
Click "Add Object" to compare
Visual English Lesson

Allosaurus

Allosaurus was a fierce meat-eating dinosaur about 9. 5 m long

Example Sentences

I can see an Allosaurus.

The Allosaurus is a dinosaur.

Allosaurus helps me learn a real-world English word.

Mini Quiz

Which measurement tells how tall it is?

Free 3-minute practice

  • Ages 6-8 practice
  • Mixed pack activity
  • A quick word, sentence, quiz, and drawing task
  • Good for one short home or tutoring activity
Free Printable Pack

Want this as a full printable Allosaurus lesson?

The complete pack — levels, answer keys, adult notes, science prompts, and a reusable printable flow — is free for everyone. Print it or save as PDF, no account needed.

Same object, three learner levels

Use easier or harder versions for ages 3-5, 6-8, and 9-11.

A full printable pack, not one loose page

Vocabulary, quiz, size science, drawing task, and answer key together.

Ready for a weekly routine

Turn object pages into repeatable English and science practice.

Instructions for the adult

Parent and teacher notes make it usable at home, tutoring, or class.

About Allosaurus

Allosaurus was a fierce meat-eating dinosaur about 9.5 m long.

Size Overview

An Allosaurus is about 3.4 m tall, 9.5 m wide, and 1.5 m deep. Allosaurus was a fierce meat-eating dinosaur about 9.5 m long.

9.50 m
Width
3.40 m
Height
1.50 m
Depth

🧒 For Kids

Allosaurus was a top hunter long before T. rex came along!

Frequently Asked Questions

More Dinosaurs sizes

Explore the real size of related objects.