Scale charts

Scale in Transformers is screwed up beyond belief. That said, most cinematic series within Transformers have official scale charts for creators to work with. Artistic license and animation errors are frequent in Transformers media, but the following are examples of intended scale for characters within the franchise.

Generation 1 continuity family

The Transformers cartoon

Japanese animation scale references
More Japanese animation scale references
Japanese chart for Masterpiece toys
Autobot scale chart for The Transformers: The Movie
Chart of planets seen in The Movie relative to Earth
Scale between Unicron's Heralds
Season 3 scale for Rodimus, Predaking, Trypticon and Metroplex
From Hobby Japan: Unicron compared to Jupiter; Metroplex compared to the Macross-Class SDF-1, Danguard Ace, and the Akashi Kaikyo Bridge
Seasons 1 & 2 scales published in The Ark

The Headmasters cartoon

Silhouettes of Headmasters and combiners
Comparison of Fortress Maximus, Metroplex, Raiden, Chromedome, Wheelie and Daniel from October 1987's Issue of TV Magazine
Scale chart from The Ark II

Super-God Masterforce cartoon

Production scale chart (#1)
Production scale chart (#2)
Scale chart for the Pretenders and Seacons
Scale chart for the Pretenders and their human forms
Scale chart from The Complete Ark

Victory cartoon

Production scale chart
Star Saber and Victory Leo scale
Scale chart from The Ark II

Beast Wars cartoon

Preliminary scale from DVD

Beast Machines cartoon

3D model scale chart

Beast Wars II cartoon

Maximal scale chart
Predacon scale chart

Beast Wars Neo cartoon

Scale chart from show bible
Scale chart from the DVD boxset
Maximal beast mode scale chart.
(NOTE: unfinalized models, scale may not be final)

Robots in Disguise (2001)

Unicron Trilogy continuity family

Armada cartoon

Energon cartoon

Autobot scale chart
Decepticon scale chart
A much larger, black and white version of the the Decepticon scale chart

Cybertron cartoon

Robot mode scale chart
Vehicle mode scale chart

Live-action film series

Transformers film

Preliminary scale for film Autobots
CGI model scale chart from magazine
Main cast scale chart
Group scale chart from the film’s DVD
Comparison between Optimus scale options
Optimus chart from the Official Strategy Guide
Ironhide chart from the Official Strategy Guide
Ratchet chart from the Official Strategy Guide
Jazz chart from the Official Strategy Guide
Bumblebee chart from the Official Strategy Guide
Bumblebee chart from behind the scenes video
Diagram of Bee’s dimensions
Megatron chart from the Official Strategy Guide
Starscream chart from the Official Strategy Guide
Blackout chart from the Official Strategy Guide
Barricade chart from the Official Strategy Guide

Revenge of the Fallen film

Concept art for Depthcharge
Autobot scale chart from the film's DVD
(NOTE: uses concept art, scale may not be final)
Decepticon scale chart from the film's DVD
(NOTE: uses concept art, scale may not be final)
Scale for Devastator and Constructicons
(NOTE: uses concept art, scale may not be final)

Dark of the Moon film

Main cast scale chart from behind the scenes videos
Shockwave and Driller chart with “reduced scale”
Concept art for the Driller
Vehicle scale for Optimus, Megatron, and Sentinel

Age of Extinction film

Scale chart from 30th Anniversary Expo
(NOTE: uses concept art, scale may not be final)
Scale chart from early in the film’s production
(NOTE: uses concept art, scale may not be final)
Scale chart comparing Dinobots and Autobots
(NOTE: uses concept art, scale may not be final
Early version of the Dinobots’ robot form scale
(NOTE: uses concept art, scale may not be final)
Concept art for Grimlock
Comparison of Grimlock and his beast form
Concept art for Slug
Comparison of Slug and his beast form
Comparison of Scorn and his beast form
Early concept art for Scorn
Comparison of Strafe and his beast form
Scale chart for Lockdown
Scale comparison of Junkheap variants

The Last Knight film

Bumblebee film

Chart comparing Shatter to the transmitting tower

Rise of the Beasts film

Scale chart from ParamountPlus' Instagram
(NOTE: May not be accurate)
TakaraTomy's scale chart (NOTE: There may have been some differences in compared to Movie)
Concept art for Scorponok
Concept art for the Scorponok combiner
Concept art for the Maximal ship