Solar mass is used in astronomy.
Solar mass to Petagrams Converter — Msun to Pg
Convert Solar mass (Msun) to Petagram (Pg) using the exact conversion factor (1 solar mass = 1.98847e+18 petagram). See the formula, worked examples, and conversion table.
Solar mass to Petagrams converter
Converter
Mass/Weight Converter
Convert SI mass, imperial weight, jewelry, atomic, and astronomy mass units.
Context values
Some unit families need one extra value for a physically accurate result.
Petagram is 1000000000000000 gram units.
Result = input x 1.98847e+30 / 1e+12.
Mass uses the kilogram as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Solar mass to Petagrams
Weight conversions between Solar mass and Petagram come up constantly in everyday commerce, shipping, and cooking, since US packaging is usually labeled in pounds while most of the rest of the world uses kilograms. Specifically: Solar mass is used in astronomy, and petagram is 1000000000000000 gram units.
Formula
petagrams = solar mass × 1.98847e+18
This factor comes from each unit's defined relationship to the category's base unit: 1 solar mass equals 1.98847e+30 base units, and 1 petagram equals 1e+12 base units, so dividing one by the other gives the direct solar mass-to-petagram factor of 1.98847e+18.
Simple example
1 Msun × 1.98847e+18 = 1.98847e+18 Pg
1 solar mass = 1.98847e+18 petagrams.
Real-world example
50 Msun × 1.98847e+18 = 9.94235e+19 Pg
50 solar mass = 9.94235e+19 petagrams.
Conversion table
| Solar mass (Msun) | Petagram (Pg) |
|---|---|
| 1 Msun | 1.98847e+18 Pg |
| 5 Msun | 9.94235e+18 Pg |
| 10 Msun | 1.98847e+19 Pg |
| 25 Msun | 4.971175e+19 Pg |
| 50 Msun | 9.94235e+19 Pg |
| 100 Msun | 1.98847e+20 Pg |
Reverse conversion: Petagram to Solar mass
1.98847e+18 Pg × 5.028992e-19 = 1 Msun
1.98847e+18 petagrams = 1 solar mass.
solar mass = petagrams × 5.028992e-19
For a page dedicated to this direction, see Petagram to Solar mass.
Understanding the Solar mass (Msun)
Solar mass is used in astronomy.
Understanding the Petagram (Pg)
Petagram is 1000000000000000 gram units.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many petagrams are in 1 solar mass?
1 solar mass equals 1.98847e+18 petagrams, using the exact defined conversion factor rather than an estimate.
How do I convert solar mass to petagram?
Multiply the solar mass value by 1.98847e+18. The converter above does this instantly to whatever precision you set.
How do I convert petagram back to solar mass?
Use the reverse factor: 1 petagram equals 5.028992e-19 solar mass. You can also use the swap control in the converter above to flip the direction instantly.
What is a solar mass?
Solar mass (Msun) is a unit of mass/weight.
What is a petagram?
Petagram (Pg) is a unit of mass/weight.
Is the solar mass to petagram conversion exact?
Yes. Both solar mass and petagram are defined by fixed standards rather than physical artifacts, so the factor of 1.98847e+18 used above is exact to as many digits as you choose to display.