Instant · Precise · Universal
34 units available
6 categories total
To convert solar masses to kg: multiply by 1.98847 × 10³⁰.
M☉ = 1.98847 × 10³⁰ kg ≈ 333,000 M⊕ ≈ 1,048 M_Jupiter.
For example, 1 Sun's Mass (M☉) = 1.988470e+15 Exagram (Eg).
| Sun's Mass (M☉) | Exagram (Eg) |
|---|---|
| 0.1 | 1.988470e+14 |
| 0.5 | 9.942350e+14 |
| 1 | 1.988470e+15 |
| 2 | 3.976940e+15 |
| 5 | 9.942350e+15 |
| 10 | 1.988470e+16 |
| 25 | 4.971175e+16 |
| 50 | 9.942350e+16 |
| 100 | 1.988470e+17 |
| 500 | 9.942350e+17 |
| 1000 | 1.988470e+18 |
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☉).
The exagram equals 10¹⁸ grams or 10¹⁵ kilograms — one trillion tonnes.
1 Eg = 10¹⁸ g = 10¹⁵ kg = 10⁹ tonnes.
To convert Eg to kg: multiply by 10¹⁵. To convert Eg to Pg: multiply by 1,000.
No everyday applications. Describes masses of small moons or large asteroids.
Earth's total mass is about 5.97 × 10⁶ Eg. The entire atmosphere weighs 'only' about 5 Eg.
Hardly ever encountered — most contexts use 'times 10^x kg' notation instead of exagrams.
If you need to express masses between Pg and Earth-masses, the exagram fills that gap: 1 Eg = 10¹⁵ kg.



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