- Earth mass, symbol: M⊕
- An Earth mass is an unit of mass equivalent to the mass of the planet Earth.
- The lesser massive exoplanets are typically described in terms of Earth masses as this provides a convenient scale for comparison.
- An Earth mass = 5,973,700,000,000,000,000,000,000 kg
- An Earth mass = 0.003 15 Jupiter mass.
- An Earth mass = 0.000 003 003 Solar mass.