Convert ton (assay) (US) to tonne
Please provide values below to convert ton (assay) (US) [AT (US)] to tonne [t], or Convert tonne to ton (assay) (US).
How to Convert Ton (Assay) (Us) to Tonne
1 AT (US) = 2.91666666666667e-05 t
Example: convert 15 AT (US) to t:
15 AT (US) = 15 × 2.91666666666667e-05 t = 0.0004375 t
Ton (Assay) (Us) to Tonne 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.
Tonne
A tonne (symbol: t) is a metric unit of mass equal to 1,000 kilograms or approximately 2,204.62 pounds.
History/Origin
The tonne was introduced as part of the metric system in the 19th century to standardize measurements of mass globally, replacing various local units with a single, consistent unit.
Current Use
The tonne is widely used internationally in industries such as shipping, manufacturing, and agriculture for measuring large quantities of materials and commodities.