Convert Carat (car, ct) to Gigagram (Gg) instantly.
About these units
Carat (car, ct)
The carat, equal to 200 milligrams, is the standard unit for measuring gemstones and pearls. Its origins trace to the seeds of the carob tree, which were historically thought to have remarkably uniform mass, making them convenient reference weights for early traders. In the modern gem trade, carats measure both weight and (informally) influence perceived value—though size and quality factors such as clarity and color also play major roles. High-precision digital scales capable of reading to 0.001 carat are common in gemology. The carat's persistence shows how specialized units evolve to meet the needs of niche industries. Though small, its economic impact is enormous due to the value of gemstones.
Gigagram (Gg)
A gigagram equals 1,000 megagrams, or one million kilograms. It is used in industrial-scale output, national food production statistics, and environmental assessments, such as annual emissions of pollutants. Governments and researchers analyzing natural resource consumption, waste management, or ecological footprints frequently rely on gigagram-level reporting. The Gg sits at the intersection of human-scale systems and planetary-scale studies, offering clarity for large quantities.