Earth's Mass to Petagram
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How to Convert Earth's Mass to Petagram
To convert Earth masses to kg: multiply by 5.9722 × 10²⁴.
M⊕ = 5.9722 × 10²⁴ kg ≈ 5.972 Yg (yottagrams). Earth = 1 M⊕ by definition.
For example, 1 Earth's Mass (M⊕) = 5.972200e+12 Petagram (Pg).
Earth's Mass to Petagram — Common Values
| Earth's Mass (M⊕) | Petagram (Pg) |
|---|---|
| 0.1 | 597220000000 |
| 0.5 | 2.986100e+12 |
| 1 | 5.972200e+12 |
| 2 | 1.194440e+13 |
| 5 | 2.986100e+13 |
| 10 | 5.972200e+13 |
| 25 | 1.493050e+14 |
| 50 | 2.986100e+14 |
| 100 | 5.972200e+14 |
| 500 | 2.986100e+15 |
| 1000 | 5.972200e+15 |
About Earth's Mass (M⊕)
The Earth mass is the mass of planet Earth, approximately 5.972 × 10²⁴ kilograms.
M⊕ = 5.9722 × 10²⁴ kg ≈ 5.972 Yg (yottagrams). Earth = 1 M⊕ by definition.
To convert Earth masses to kg: multiply by 5.9722 × 10²⁴.
Expressing exoplanet masses (e.g., 'a planet of 3 Earth masses'), moon masses, and asteroid masses.
Earth gains about 40,000 tonnes of mass per year from cosmic dust — but that's only 10⁻¹⁷ of its total mass.
Earth's mass is hard to visualize. The key insight: it's known from G × M⊕ (the gravitational parameter), not M⊕ alone.
Cavendish 'weighed the Earth' by measuring G. If you know g (9.8 m/s²) and Earth's radius, you can calculate M⊕ = gR²/G.
