Instant · Precise · Universal
34 units available
6 categories total
To convert ounces to grams: multiply by 28.3495. To convert grams to ounces: divide by 28.3495.
1 oz = 28.349523125 g = 1/16 lb = 437.5 grains.
For example, 1 Ounce (oz) = 1.425695e-32 Sun's Mass (M☉).
| Ounce (oz) | Sun's Mass (M☉) |
|---|---|
| 0.1 | 1.425695e-33 |
| 0.5 | 7.128476e-33 |
| 1 | 1.425695e-32 |
| 2 | 2.851391e-32 |
| 5 | 7.128476e-32 |
| 10 | 1.425695e-31 |
| 25 | 3.564238e-31 |
| 50 | 7.128476e-31 |
| 100 | 1.425695e-30 |
| 500 | 7.128476e-30 |
| 1000 | 1.425695e-29 |
The ounce (avoirdupois) is an imperial unit of mass equal to 1/16 of a pound or approximately 28.35 grams.
1 oz = 28.349523125 g = 1/16 lb = 437.5 grains.
To convert ounces to grams: multiply by 28.3495. To convert grams to ounces: divide by 28.3495.
Food packaging (cereal boxes, cheese), postal weights, baby weight tracking (lb and oz), and cooking.
There are two different ounces: the avoirdupois ounce (28.35 g) for general use and the troy ounce (31.1 g) for precious metals. Gold is always measured in troy ounces.
Confusing avoirdupois ounces (28.35 g) with troy ounces (31.1 g). Also confusing oz (mass) with fl oz (volume).
There are 16 oz in a pound. A quick gram conversion: 1 oz ≈ 30 g (for estimation).
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☉).



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