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Size It Up · Space
How big is Mars?
6,779 km
diameter
Mars is 6,779 km across.
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to compare yourself with Mars.
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How to picture 6,779 km
About this size
Earth
diameter · 12,742 km
The Moon
diameter · 3,474 km
Jupiter
diameter · 139,820 km
Much bigger, much smaller
The Sun
diameter · 1,392,700 km
Golden Gate Bridge
length · 2.74 km
Burj Khalifa
height · 828 m
More Space
International Space Station
length · 109 m
Saturn V rocket
height · 111 m
Elsewhere in Size It Up
Basketball hoop
height · 3.05 m
American lobster
length · 60 cm
Honeybee
length · 1.3 cm
Toilet
height · 75 cm
Dutch windmill
height · 30 m
F-16 fighter jet
length · 15 m
All sizes by theme
