Constants & Units · constant
Earth mass
M_⊕ = 5.972 2(6) × 10²⁴ kg
- Unit
- kg
- Value
- 5.972 2(6) × 10²⁴
- Exact
- no
- Note
- Also limited by G: Cavendish weighed the Earth in 1798 and we have only refined it since.
- Symbol
- M_⊕
- Category
- Astronomical
- Numeric
- 5.9722e+24
- Uncertainty
- ±1.0 × 10⁻⁴ relative
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