Official sizes and heights

Scale in Transformers is inconsistent to put it mildly. There are times however outside and inside of lore when official heights and sizes of characters are given. Here is a list of said sizes.

Primax

Marvel comics:

• Bumblebee 15'
• Shockwave (bio, gun mode length) 35'< ("more than 35 feet")
• Thunderwing (Pretender shell) 40'
• Devastator
  • Bio: 60'< ("over 60 feet")
  • UK booklet: 100'
• Predaking 80'
• Superion 86' 7 3/8" (8 stories)
• Metroplex (UK booklet) 698'
• Broadside (carrier mode length) 1,200'

Japanese guides, comics, etc.:

• Battle Convoy 13 meters
• Guard City 60 meters
• Battle Gaia 65 meters
• Metroplex (Comic Bom Bom, Hobby Japan) 800 meters
• Fortress Maximus (Super Robots Guide) 3 kilometers

Masterpiece bios and booklets:

• Optimus Prime 36 meters
• Starscream (ghost version) 10 meters< ("well over 10 meters tall")

Japanese Beast Wars data:

• Rattrap 1.8 meters
• Rattrap (Transmetal) 1.8 meters
• Airazor 1.8 meters
• Quickstrike 2 meters
• Ravage 2.1 meters
• Cheetor 2.3 meters
• Cheetor (Transmetal) 2.3 meters
• Tigatron 2.3 meters
• Terrorsaur 2.3 meters
• Blackarachnia 2.4 meters
• Tarantulas 2.4 meters
• Tarantulas (Transmetal) 2.5 meters
• Scorponok 2.5 meters
• Waspinator 2.5 meters
• Rhinox 2.6 meters
• Inferno 2.6 meters
• Silverbolt 2.6 meters
• Black Arachnia (Transmetal 2) 2.6 meters
• Cheetor (Transmetal 2) 2.7 meters
• Optimus Primal 2.8 meters
• Megatron 2.8 meters
• Dinobot 2.9 meters
• Dinobot II 3.1 meters
• Optimus Primal (Transmetal) 3.2 meters
• Megatron (Transmetal) 3.2 meters
• Depthcharge 3.4 meters
• Rampage 3.4 meters
• Tigerhawk 7 meters
• Megatron (Transmetal 2) 11.5 meters
• Optimal Optimus 12 meters

Beast Wars Transmetals game:

• Rattrap (Transmetal) 180 cm
• Quickstrike 200 cm
• Cheetor (Transmetal) 230 cm
• Tarantulas (Transmetal) 250 cm
• Silverbolt 260 cm
• Optimus Primal (Transmetal) 300 cm
• Megatron (Transmetal) 320 cm
• Rampage (Transmetal) 340 cm

Dreamwave comics:

• The Nemesis
  • Length: 2.5 miles
  • Wingspan: 1.75 miles
  • Height: 1.25 miles

IDW comics:

• Optimus Prime 60'
• Devastator 400'
• Metrotitan 2 miles

Viron

• Skid-Z 3.7 meters
• Mirage 3.7 meters
• R.E.V. 3.8 meters
• W.A.R.S. 3.8 meters
• Crosswise 3.8 meters
• Hot Shot 3.8 meters
• Gaskunk 4 meters
• Nightscream 4 meters
• Slapper 4 meters
• Movor 4 meters
• Rollbar 4 meters
• Armorhide 4 meters
• Sideburn 4 meters
• Ironhide 4.1 meters
• X-Brawn 4.3 meters
• Ro-Tor 4.6 meters
• Tow-Line 4.8 meters
• Sky-Byte 4.8 meters
• Scourge 5 meters
• Optimus Prime 5 meters
• Optimus Prime (Super Mode) 6.5 meters
• Mega-Octane 7 meters
• Megatron 7 meters
• Midnight Express 9.2 meters
• Rapid Run 9.7 meters
• Railspike 10 meters
• Landfill 12 meters
• Rail Racer 15 meters
• Ruination 16 meters
• Brave Maximus 350 meters

Aurex

Armada video game:

• Hot Shot 16' 5"
• Cyclonus:
  • (vehicle) 17' 1"
  • (robot) 19' 7"
• Starscream:
  • (vehicle) 15' 1"
  • (robot) 19' 7"
• Red Alert 19' 8"
• Optimus Prime 22' 11"
• Megatron:
  • (vehicle) 8' 3"
  • (robot) 22' 11"

Galaxy Force DVD booklets:

• Soundwave 4.1 meters
• Crumplezone 5.5 meters

Tyran

Uniend

FOC video game:

• Metroplex 600'