Size comparison: compare the size of anything
Compare the size of anything, side by side and to scale: a person next to a blue whale, the Eiffel Tower next to the Burj Khalifa, Earth next to the Sun. Every size on the board comes from a cited source, and any board saves as a size comparison chart (PNG) or a share link.
Size comparison: compare the size of anything: the tool
Pick a category
Animal size comparison
Whales, sharks, elephants, bears, dinosaurs and pets, drawn to scale next to a person. Every size is cited.
Vehicle size comparison
Airliners, cruise ships, the Titanic, trucks, cars and rockets, drawn to scale. Sizes from makers and official sources.
Space size comparison
The Sun, the planets, the Moon and giant stars, drawn to scale. Diameters from NASA.
Landmark height comparison
Skyscrapers, towers, statues, giant trees and mountains, drawn to scale. Heights from official and survey sources.
Fictional character size comparison
Heisei-era Godzilla is 100 m tall and the RX-78-2 Gundam 18 m, on Toho's and Sunrise's own pages. Giant monsters, mechs, titans, Star Wars, Marvel and game characters, drawn to scale with official heights only.
Everyday object size comparison
Sports balls, coins, cards, doors, paper and containers, drawn to scale. Sizes from official specs.
One-tap scenarios
Popular comparisons
How to compare size online
Everything stands on the same floor and uses the same scale, shown by the ruler. People and towers are drawn by their height, whales, ships and planes by their length, planets by their diameter. The number under each thing is the sourced figure; the drawing around it is a simple silhouette.
When something is far bigger than everything else, the small things shrink to dots. Tap the small thing and press Zoom to selected to blow the board up around it; the giant goes off the top with an arrow and its size.
Related tools
Questions
How do I compare the size of two things?
Pick them from the list on the right (or search), and they appear side by side on the same scale. Tap one to draw a line at its height across the board.
Where do the sizes come from?
Each category page lists every item with its source: NOAA and NPS for animals, NASA for planets, makers for vehicles, official sites and surveys for buildings and mountains, and published specs for everyday objects.
Can I add myself?
Yes. Enter a name and height under Add yourself and you appear on the board next to everything else.
Last checked: 5 October 2026