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The solar mass (M☉) is a standard unit of mass in astronomy, equal to approximately 2×1030 kg. It is used to indicate the masses of other stars, as well as clusters, nebulae, and galaxies.
In relation to the base unit of [mass weight] => (kilograms), 1 Proton Mass (p+) is equal to 1.672623099E-27 kilograms, while 1 Sun Mass (M☉) = 1.999999999E+30 kilograms.| 400 Proton Mass | to common mass-weight units |
|---|---|
| 400 p+ | = 6.690492396E-25 kilograms (kg) |
| 400 p+ | = 6.690492396E-22 grams (g) |
| 400 p+ | = 6.690492396E-19 milligrams (mg) |
| 400 p+ | = 1.4750022919275E-24 pounds (lbs) |
| 400 p+ | = 2.3600036670841E-23 ounces (oz) |
| 400 p+ | = 3.345246198E-21 carats (ct) |
| 400 p+ | = 1.0325009214663E-20 grains (gr) |
| 400 p+ | = 1.0535727338437E-25 stones (st) |
| 400 p+ | = 5.1625038106351E-22 scruples (℈) |
| 400 p+ | = 5.2678610312603E-26 quarters UK (1/4[UK]) |