Petagram to Sun's Mass
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How to Convert Petagram to Sun's Mass
For example, 1 Petagram (Pg) = 5.028992e-19 Sun's Mass (M☉).
Petagram to Sun's Mass — Common Values
| Petagram (Pg) | Sun's Mass (M☉) |
|---|---|
| 0.1 | 5.028992e-20 |
| 0.5 | 2.514496e-19 |
| 1 | 5.028992e-19 |
| 2 | 1.005798e-18 |
| 5 | 2.514496e-18 |
| 10 | 5.028992e-18 |
| 25 | 1.257248e-17 |
| 50 | 2.514496e-17 |
| 100 | 5.028992e-17 |
| 500 | 2.514496e-16 |
| 1000 | 5.028992e-16 |
About Sun's Mass (M☉)
The solar mass is the mass of the Sun, approximately 1.989 × 10³⁰ kilograms — about 333,000 times the mass of Earth.
M☉ = 1.98847 × 10³⁰ kg ≈ 333,000 M⊕ ≈ 1,048 M_Jupiter.
To convert solar masses to kg: multiply by 1.98847 × 10³⁰.
Expressing stellar masses: Betelgeuse ≈ 15 M☉, Sirius ≈ 2 M☉, a typical neutron star ≈ 1.4 M☉.
The Sun loses about 5 million tonnes per second through nuclear fusion (E=mc²), but that's only 10⁻¹³ M☉ per year.
The Sun is losing mass continuously through radiation and solar wind — its mass is not quite constant over billions of years.
Almost everything in astronomy uses solar masses: stars (0.1–100 M☉), galaxies (10⁹–10¹² M☉), black holes (3–10⁹ M☉).
