Solar masses to kilograms
Type a value in M☉ to get it in kg instantly.
1.988×10³⁰kg
That's about the same as the Sun. That is about 1.988×10³⁰ kg.
What it means
How heavy is that?
The solar mass is 1.98847×10³⁰ kg. Masses of distant objects are inferred from orbits, so they carry real uncertainty.
The math
How to convert M☉ to kg
To convert solar masses to kilograms, multiply by 1.988×10³⁰.
Example: 1 M☉ × 1.988×10³⁰ = 1.988×10³⁰ kg.
In the other direction, 1 kg = 5.029×10⁻³¹ M☉.
Every unit
Your mass in every unit
Tables
M☉ to kg conversion table
| M☉ | kg |
|---|---|
| 0.01 M☉ | 1.988×10²⁸ kg |
| 0.1 M☉ | 1.988×10²⁹ kg |
| 0.5 M☉ | 9.942×10²⁹ kg |
| 1 M☉ | 1.988×10³⁰ kg |
| 2 M☉ | 3.977×10³⁰ kg |
| 5 M☉ | 9.942×10³⁰ kg |
| 10 M☉ | 1.988×10³¹ kg |
| 20 M☉ | 3.977×10³¹ kg |
| 50 M☉ | 9.942×10³¹ kg |
| 100 M☉ | 1.988×10³² kg |
kg to M☉ conversion table
| kg | M☉ |
|---|---|
| 0.01 kg | 5.029×10⁻³³ M☉ |
| 0.1 kg | 5.029×10⁻³² M☉ |
| 0.5 kg | 2.514×10⁻³¹ M☉ |
| 1 kg | 5.029×10⁻³¹ M☉ |
| 2 kg | 1.006×10⁻³⁰ M☉ |
| 5 kg | 2.514×10⁻³⁰ M☉ |
| 10 kg | 5.029×10⁻³⁰ M☉ |
| 20 kg | 1.006×10⁻²⁹ M☉ |
| 50 kg | 2.514×10⁻²⁹ M☉ |
| 100 kg | 5.029×10⁻²⁹ M☉ |
Quick answers
Quick answers
- How many kg is 1 M☉?
- 1 M☉ is 1.988×10³⁰ kg.
- How many kg is 10 M☉?
- 10 M☉ is 1.988×10³¹ kg.
The units
About these units
Solar masses (M☉)
The Sun’s mass, 1.98847×10³⁰ kg. The standard unit for stars.
Kilograms (kg)
The SI unit, which needs scientific notation at this scale.
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