fictional · movies · transformers
How tall is Optimus Prime?

Optimus Prime is 8.5 m (27'11") tall.
Measured: film height.
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.
Compare Optimus Prime’s height
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.
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