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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