Instant · Precise · Universal
34 units available
6 categories total
To convert Gg to tonnes: multiply by 1,000. To convert Gg to kg: multiply by 10⁶.
1 Gg = 10⁹ g = 10⁶ kg = 1,000 tonnes.
For example, 1 Gigagram (Gg) = 5000000000 Carat (ct).
| Gigagram (Gg) | Carat (ct) |
|---|---|
| 0.1 | 500000000 |
| 0.5 | 2500000000 |
| 1 | 5000000000 |
| 2 | 10000000000 |
| 5 | 25000000000 |
| 10 | 50000000000 |
| 25 | 125000000000 |
| 50 | 250000000000 |
| 100 | 500000000000 |
| 500 | 2.500000e+12 |
| 1000 | 5.000000e+12 |
The gigagram is equal to 10⁹ grams or 1,000 tonnes (metric tons).
1 Gg = 10⁹ g = 10⁶ kg = 1,000 tonnes.
To convert Gg to tonnes: multiply by 1,000. To convert Gg to kg: multiply by 10⁶.
National emissions reports, large mining output figures, and major commodity trade volumes.
The Great Pyramid of Giza has an estimated mass of about 6,000 Gg (6 million tonnes).
Confusing Gg (gigagram) with GB (gigabyte). In mass contexts, G always means giga = 10⁹.
1 Gg = 1 kilotonne = 1,000 tonnes. Used when 'tonnes' gets unwieldy for very large masses.
The carat is a unit of mass used for gemstones and pearls, equal to exactly 200 milligrams (0.2 grams).
1 ct = 0.2 g = 200 mg = 0.007055 oz.
To convert carats to grams: multiply by 0.2. To convert grams to carats: multiply by 5.
Diamond grading and pricing, gemstone trade, pearl classification, and jewelry appraisal.
The Hope Diamond weighs 45.52 ct (9.1 g). The Cullinan Diamond, the largest gem-quality rough diamond ever found, was 3,106 ct (621 g).
Confusing carat (ct, mass) with karat (K, gold purity). 24K gold is pure gold; a 24-carat diamond weighs 4.8 g.
Carat = weight of a gem. Karat = purity of gold. They sound the same but measure completely different things.



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