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Earth

By The Numbers

Earth's Size

Volume: 6.73 x 10¹¹ cubic miles (1.083 x 10¹² km³)
Radius: 3,959 miles (6,371 km)
Diameter: 7,918 miles (12,742 km)
Surface Area: 1.97 x10⁸ square miles (5.1 x 10⁸ km²)
Mass: 5.972 x 10²⁴ kg

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Our planet is constantly trying to balance the flow of energy in and out of Earth’s system. But human activities are throwing that off balance.

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