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Earth mass facts for kids

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Earth Mass
Archimedes lever
19th-century illustration of Archimedes' quip of "give me a place to stand on, and I will move the earth"
General information
Unit system astronomy
Unit of mass
Symbol M
Conversions
1 M in ... ... is equal to ...
   SI base unit    (5.9722±0.0006)×1024 kg
   U.S. customary    1.3166×1025 pounds

Earth mass (M) is the unit of mass equal to that of the Earth. 1 M = 5.97219 × 1024 kg. Earth mass is often used to describe masses of rocky terrestrial planets.

The three other terrestrial planets of the Solar System, Mercury, Venus, and Mars, have masses of 0.055, 0.815, and 0.107 Earth masses respectively.

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