Convert Stone (st) to Earth's Mass (M⊕) instantly.
About these units
Stone (st)
The stone equals 14 pounds, or approximately 6.35029 kilograms, and is commonly used in the United Kingdom and Ireland for expressing human body weight. It has deep traditional roots, originating from stones used as counterweights in early commerce. Although largely replaced by metric units in most applications, the stone remains emotionally and culturally significant for personal weight expression in the UK. Many people find it more intuitive and relatable than kilograms due to long-standing social habits. The stone's endurance highlights how measurement systems reflect cultural identity as much as mathematical convenience. It is one of the few units still commonly used in conversation but not in scientific or industrial contexts.
Earth's Mass (M⊕)
Earth's mass is approximately 5.972 × 10²⁴ kilograms, a fundamental parameter in planetary science and orbital mechanics. It governs Earth's gravitational interaction with the Moon, Sun, and artificial satellites and shapes geological processes such as plate tectonics and atmospheric retention. Planetary scientists use Earth masses to compare exoplanets, enabling quick insights into habitability, composition, and gravitational characteristics.