Megagram is 1000000 gram units.
Megagrams to Petagrams Converter — Mg to Pg
Convert Megagram (Mg) to Petagram (Pg) using the exact conversion factor (1 megagram = 1e-9 petagram). See the formula, worked examples, and conversion table.
Megagrams to Petagrams converter
Converter
Mass/Weight Converter
Convert SI mass, imperial weight, jewelry, atomic, and astronomy mass units.
Petagram is 1000000000000000 gram units.
Result = input x 1000 / 1e+12.
Mass uses the kilogram as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Megagrams to Petagrams
Weight conversions between Megagram 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: Megagram is 1000000 gram units, and petagram is 1000000000000000 gram units.
Formula
petagrams = megagrams × 1e-9
This factor comes from each unit's defined relationship to the category's base unit: 1 megagram equals 1000 base units, and 1 petagram equals 1e+12 base units, so dividing one by the other gives the direct megagram-to-petagram factor of 1e-9.
Simple example
1 Mg × 1e-9 = 1e-9 Pg
1 megagram = 1e-9 petagrams.
Real-world example
50 Mg × 1e-9 = 5e-8 Pg
50 megagrams = 5e-8 petagrams.
Conversion table
| Megagram (Mg) | Petagram (Pg) |
|---|---|
| 1 Mg | 1e-9 Pg |
| 5 Mg | 5e-9 Pg |
| 10 Mg | 1e-8 Pg |
| 25 Mg | 2.5e-8 Pg |
| 50 Mg | 5e-8 Pg |
| 100 Mg | 1e-7 Pg |
Reverse conversion: Petagram to Megagram
1e-9 Pg × 1000000000 = 1 Mg
1e-9 petagrams = 1 megagrams.
megagrams = petagrams × 1000000000
For a page dedicated to this direction, see Petagram to Megagram.
Understanding the Megagram (Mg)
Megagram is 1000000 gram units.
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 megagram?
1 megagram equals 1e-9 petagrams, using the exact defined conversion factor rather than an estimate.
How do I convert megagram to petagram?
Multiply the megagram value by 1e-9. The converter above does this instantly to whatever precision you set.
How do I convert petagram back to megagram?
Use the reverse factor: 1 petagram equals 1,000,000,000 megagrams. You can also use the swap control in the converter above to flip the direction instantly.
What is a megagram?
Megagram (Mg) is a unit of mass/weight.
What is a petagram?
Petagram (Pg) is a unit of mass/weight.
Is the megagram to petagram conversion exact?
Yes. Both megagram and petagram are defined by fixed standards rather than physical artifacts, so the factor of 1e-9 used above is exact to as many digits as you choose to display.