Gigagram is 1000000000 gram units.
Gigagrams to Carats Converter — Gg to ct
Convert Gigagram (Gg) to Carat (ct) using the exact conversion factor (1 gigagram = 5,000,000,000 carat). See the formula, worked examples, and conversion table.
Gigagrams 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+6 / 0.0002.
Mass uses the kilogram as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Gigagrams to Carats
Weight conversions between Gigagram 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: Gigagram is 1000000000 gram units, and a metric carat is exactly 200 milligrams.
Formula
carats = gigagrams × 5000000000
This factor comes from each unit's defined relationship to the category's base unit: 1 gigagram equals 1000000 base units, and 1 carat equals 0.0002 base units, so dividing one by the other gives the direct gigagram-to-carat factor of 5000000000.
Simple example
1 Gg × 5000000000 = 5,000,000,000 ct
1 gigagram = 5,000,000,000 carats.
Real-world example
50 Gg × 5000000000 = 250,000,000,000 ct
50 gigagrams = 250,000,000,000 carats.
Conversion table
| Gigagram (Gg) | Carat (ct) |
|---|---|
| 1 Gg | 5,000,000,000 ct |
| 5 Gg | 25,000,000,000 ct |
| 10 Gg | 50,000,000,000 ct |
| 25 Gg | 125,000,000,000 ct |
| 50 Gg | 250,000,000,000 ct |
| 100 Gg | 500,000,000,000 ct |
Reverse conversion: Carat to Gigagram
1 ct × 2e-10 = 2e-10 Gg
1 carat = 2e-10 gigagrams.
gigagrams = carats × 2e-10
For a page dedicated to this direction, see Carat to Gigagram.
Understanding the Gigagram (Gg)
Gigagram is 1000000000 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 gigagram?
1 gigagram equals 5,000,000,000 carats, using the exact defined conversion factor rather than an estimate.
How do I convert gigagram to carat?
Multiply the gigagram value by 5000000000. The converter above does this instantly to whatever precision you set.
How do I convert carat back to gigagram?
Use the reverse factor: 1 carat equals 2e-10 gigagrams. You can also use the swap control in the converter above to flip the direction instantly.
What is a gigagram?
Gigagram (Gg) is a unit of mass/weight.
What is a carat?
Carat (ct) is a unit of mass/weight.
Is the gigagram to carat conversion exact?
Yes. Both gigagram and carat are defined by fixed standards rather than physical artifacts, so the factor of 5000000000 used above is exact to as many digits as you choose to display.