Teragram is 1000000000000 gram units.
Teragrams to Petagrams Converter — Tg to Pg
Convert Teragram (Tg) to Petagram (Pg) using the exact conversion factor (1 teragram = 0.001 petagram). See the formula, worked examples, and conversion table.
Teragrams 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 1e+9 / 1e+12.
Mass uses the kilogram as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Teragrams to Petagrams
Weight conversions between Teragram 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: Teragram is 1000000000000 gram units, and petagram is 1000000000000000 gram units.
Formula
petagrams = teragrams × 0.001
This factor comes from each unit's defined relationship to the category's base unit: 1 teragram equals 1000000000 base units, and 1 petagram equals 1e+12 base units, so dividing one by the other gives the direct teragram-to-petagram factor of 0.001.
Simple example
1 Tg × 0.001 = 0.001 Pg
1 teragram = 0.001 petagrams.
Real-world example
50 Tg × 0.001 = 0.05 Pg
50 teragrams = 0.05 petagrams.
Conversion table
| Teragram (Tg) | Petagram (Pg) |
|---|---|
| 1 Tg | 0.001 Pg |
| 5 Tg | 0.005 Pg |
| 10 Tg | 0.01 Pg |
| 25 Tg | 0.025 Pg |
| 50 Tg | 0.05 Pg |
| 100 Tg | 0.1 Pg |
Reverse conversion: Petagram to Teragram
0.001 Pg × 1000 = 1 Tg
0.001 petagrams = 1 teragram.
teragrams = petagrams × 1000
For a page dedicated to this direction, see Petagram to Teragram.
Understanding the Teragram (Tg)
Teragram is 1000000000000 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 teragram?
1 teragram equals 0.001 petagrams, using the exact defined conversion factor rather than an estimate.
How do I convert teragram to petagram?
Multiply the teragram value by 0.001. The converter above does this instantly to whatever precision you set.
How do I convert petagram back to teragram?
Use the reverse factor: 1 petagram equals 1,000 teragrams. You can also use the swap control in the converter above to flip the direction instantly.
What is a teragram?
Teragram (Tg) is a unit of mass/weight.
What is a petagram?
Petagram (Pg) is a unit of mass/weight.
Is the teragram to petagram conversion exact?
Yes. Both teragram and petagram are defined by fixed standards rather than physical artifacts, so the factor of 0.001 used above is exact to as many digits as you choose to display.