Teragram is 1000000000000 gram units.
Teragrams to Carats Converter — Tg to ct
Convert Teragram (Tg) to Carat (ct) using the exact conversion factor (1 teragram = 5e+12 carat). See the formula, worked examples, and conversion table.
Teragrams to Carats 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.
A metric carat is exactly 200 milligrams.
Result = input x 1e+9 / 0.0002.
Mass uses the kilogram as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Teragrams to Carats
Weight conversions between Teragram and Carat 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 a metric carat is exactly 200 milligrams.
Formula
carats = teragrams × 5e+12
This factor comes from each unit's defined relationship to the category's base unit: 1 teragram equals 1000000000 base units, and 1 carat equals 0.0002 base units, so dividing one by the other gives the direct teragram-to-carat factor of 5e+12.
Simple example
1 Tg × 5e+12 = 5e+12 ct
1 teragram = 5e+12 carats.
Real-world example
50 Tg × 5e+12 = 2.5e+14 ct
50 teragrams = 2.5e+14 carats.
Conversion table
| Teragram (Tg) | Carat (ct) |
|---|---|
| 1 Tg | 5e+12 ct |
| 5 Tg | 2.5e+13 ct |
| 10 Tg | 5e+13 ct |
| 25 Tg | 1.25e+14 ct |
| 50 Tg | 2.5e+14 ct |
| 100 Tg | 5e+14 ct |
Reverse conversion: Carat to Teragram
5e+12 ct × 2e-13 = 1 Tg
5e+12 carats = 1 teragram.
teragrams = carats × 2e-13
For a page dedicated to this direction, see Carat to Teragram.
Understanding the Teragram (Tg)
Teragram is 1000000000000 gram units.
Understanding the Carat (ct)
A metric carat is exactly 200 milligrams.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many carats are in 1 teragram?
1 teragram equals 5e+12 carats, using the exact defined conversion factor rather than an estimate.
How do I convert teragram to carat?
Multiply the teragram value by 5e+12. The converter above does this instantly to whatever precision you set.
How do I convert carat back to teragram?
Use the reverse factor: 1 carat equals 2e-13 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 carat?
Carat (ct) is a unit of mass/weight.
Is the teragram to carat conversion exact?
Yes. Both teragram and carat are defined by fixed standards rather than physical artifacts, so the factor of 5e+12 used above is exact to as many digits as you choose to display.