Convert ton (assay) (US) to gigagram
Please provide values below to convert ton (assay) (US) [AT (US)] to gigagram [Gg], or Convert gigagram to ton (assay) (US).
How to Convert Ton (Assay) (Us) to Gigagram
1 AT (US) = 2.91666666666667e-08 Gg
Example: convert 15 AT (US) to Gg:
15 AT (US) = 15 × 2.91666666666667e-08 Gg = 4.375e-07 Gg
Ton (Assay) (Us) to Gigagram Conversion Table
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Ton (Assay) (Us)
The ton (assay) (US), symbolized as AT (US), is a unit of weight used primarily in the assay and precious metals industry, equivalent to 31.1034768 grams.
History/Origin
The assay ton originated in the United States as a standardized measure for precious metal content in assays, aligning with the metric system but retaining the traditional 'ton' terminology for industry consistency.
Current Use
Today, the assay ton (AT US) is used mainly in the precious metals industry for assay purposes, especially in the context of gold and silver purity measurements, and is part of weight and mass conversions within the 'Common Converters' category.
Gigagram
A gigagram (Gg) is a unit of mass equal to one billion grams or one million kilograms.
History/Origin
The gigagram is part of the metric system, introduced as a standard unit for large masses in scientific and industrial contexts, with its usage becoming more common in the 20th century as measurements for large quantities expanded.
Current Use
Gigagrams are used in fields such as engineering, environmental science, and industry to quantify large masses, including biomass, emissions, and bulk materials.