Solar masses to Schwarzschild radius (AU)
Type a value in M☉ to get it in AU instantly.
0.08489AU
That's about the same as Sagittarius A*. As a black hole its event horizon would be 12,700,000 km in radius.
Convert the other way: AU to M☉
What it means
How massive is that?
Non-rotating (Schwarzschild) black hole. Spinning black holes have a smaller event horizon, down to half for maximum spin.
The math
How to convert M☉ to AU
To convert solar masses to Schwarzschild radius (AU), multiply by 1.974×10⁻⁸.
Example: 4,300,000 M☉ × 1.974×10⁻⁸ = 0.08489 AU.
In the other direction, 1 AU = 50,653,800 M☉.
Every unit
That black hole in every unit
Tables
M☉ to AU conversion table
| M☉ | AU |
|---|---|
| 1 M☉ | 1.974×10⁻⁸ AU |
| 3 M☉ | 5.923×10⁻⁸ AU |
| 10 M☉ | 1.974×10⁻⁷ AU |
| 30 M☉ | 5.923×10⁻⁷ AU |
| 100 M☉ | 1.974×10⁻⁶ AU |
| 1,000 M☉ | 1.974×10⁻⁵ AU |
| 100,000 M☉ | 0.00197419 AU |
| 1,000,000 M☉ | 0.0197419 AU |
| 4,300,000 M☉ | 0.08489 AU |
| 100,000,000 M☉ | 1.97419 AU |
| 6.5×10⁹ M☉ | 128.322 AU |
AU to M☉ conversion table
| AU | M☉ |
|---|---|
| 1.97×10⁻⁸ AU | 0.99788 M☉ |
| 5.92×10⁻⁸ AU | 2.99871 M☉ |
| 1.97×10⁻⁷ AU | 9.9788 M☉ |
| 5.92×10⁻⁷ AU | 29.9871 M☉ |
| 1.97×10⁻⁶ AU | 99.788 M☉ |
| 1.97×10⁻⁵ AU | 997.88 M☉ |
| 0.00197 AU | 99,788 M☉ |
| 0.0197 AU | 997,880 M☉ |
| 0.0849 AU | 4,300,510 M☉ |
| 1.97 AU | 99,788,000 M☉ |
| 128 AU | 6.484×10⁹ M☉ |
Quick answers
Quick answers
- How many AU is 1 M☉?
- 1 M☉ is 1.974×10⁻⁸ AU.
- How many AU is 10 M☉?
- 10 M☉ is 1.974×10⁻⁷ AU.
- How many AU is 4,300,000 M☉?
- 4,300,000 M☉ is 0.08489 AU.
The units
About these units
Solar masses (M☉)
Mass in units of the Sun.
Schwarzschild radius (AU) (AU)
Event horizon radius in astronomical units.
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