Britannica Sources used in this answer

How large and heavy is the Hoba meteorite?

Created from Britannica articles using AI. AI can make mistakes, so verify using Britannica articles.

The Hoba meteorite is the largest intact meteorite discovered on Earth. Regarding its size and weight:1

  • Dimensions: It is roughly rectangular with a flat top, measuring approximately 2.7 meters (9 feet) across.1
  • Weight: It currently weighs about 60 tons. While it may have originally weighed as much as 66 tons, its mass has decreased over time due to the removal of material by scientists and souvenir hunters.1

Considered the largest natural piece of iron on the planet, the meteorite is composed of approximately 82.3 percent iron, 16.4 percent nickel, and 0.8 percent cobalt.1