Solar Mass to Kilogram Converter
Enter a mass in solar masses to convert to kilograms and Earth masses.
Result
How to use
- Enter your values in the fields above.
- Press Calculate to see your result instantly.
- Use the Share button to copy a link to your result.
About this calculator
A solar mass (M☉) is the standard astronomical unit for stellar and galactic mass, equal to the Sun's mass: 1 M☉ ≈ 1.989 × 10³⁰ kg, roughly 333,000 times the mass of Earth. Astronomers use it instead of kilograms because stellar and galactic masses in kilograms would involve unwieldy exponents.
This converter translates a mass given in solar masses into kilograms and Earth masses, letting you compare astronomical figures — a neutron star's mass, a galaxy's total mass, an exoplanet's mass — against everyday or planetary reference points.
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