How big is Uranus compared to Earth?


Quick Answer

Uranus is the smallest of the gas planets, but its diameter of 51,118 kilometers is still four times longer than the Earth's, according to Universe Today. The volume of Uranus is massive, as it could hold 63 Earths inside its perimeter.

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Full Answer

The surface area of Uranus is 16 times that of Earth. This fact is a bit of a misnomer, though, since Uranus consists of a gaseous surface atmosphere rather than solid ground. Universe Today indicates that Uranus' mass is 14.5 times greater than Earth's. A virtual trip around the outside of the planet at its equator would cover 99,018 miles.

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