HeightsBySide

fictional · movies · transformers

How tall is Optimus Prime?

Optimus Prime height compared to an average person, to scale — 8.5 m (27'11")

Optimus Prime is 8.5 m (27'11") tall.

Measured: film height.

Centimetres8.5 m
Feet & inches27'11"
Exact850 cm
Confidencelow
Sourcewidely cited

Heights are compiled from public sources — official league & agency listings, published profiles and reference data — and cross-checked; the confidence flag reflects how consistently sources agree. Last reviewed 2026-09-30.

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8.5 m
Optimus Prime
1.75 m
Average American Man
Optimus Prime8.5 m
Average American Man1.75 m

About Optimus Prime’s height

Optimus Prime is 8.5 m (27'11") tall. That is 850 centimetres, or 27'11" in feet and inches. This figure is measured film height. Source confidence for this height is rated low.

For a sense of scale, Optimus Prime is just shorter than Big Mom (8.8 m), and is a little taller than Dunkleosteus (8 m). Use the comparison tool above to line Optimus Prime up against anyone else, to scale.

Optimus Prime in perspective

Height in context

  • Optimus Prime at 8.5 m (27'11") is approximately 4.9× the height of an average adult man (1.75 m).
  • Use the comparison tool above to place Optimus Prime side by side with any person or object — you’ll see the size difference at a glance.

World height averages: adult men ≈1.75 m, adult women ≈1.62 m (compiled from global studies; varies by region).

Optimus Prime height — frequently asked

How tall is Optimus Prime?
Optimus Prime is 8.5 m (27'11") tall.
How tall is Optimus Prime in feet?
Optimus Prime is 27'11" tall.
How tall is Optimus Prime in cm?
Optimus Prime is 8.5 m (850 cm) tall.
Who is taller, Optimus Prime or Big Mom?
Big Mom is taller, at 8.8 m versus Optimus Prime at 8.5 m.
Is Optimus Prime taller than Dunkleosteus?
Yes — Optimus Prime is 8.5 m, which is taller than Dunkleosteus at 8 m.