Convert ton (assay) (US) to ton (long)

Please provide values below to convert ton (assay) (US) [AT (US)] to ton (long) [ton (UK)], or Convert ton (long) to ton (assay) (US).




How to Convert Ton (Assay) (Us) to Ton (Long)

1 AT (US) = 2.87060237219893e-05 ton (UK)

Example: convert 15 AT (US) to ton (UK):
15 AT (US) = 15 Γ— 2.87060237219893e-05 ton (UK) = 0.000430590355829839 ton (UK)


Ton (Assay) (Us) to Ton (Long) Conversion Table

ton (assay) (US) ton (long)

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.


Ton (Long)

A long ton, also known as the imperial ton or UK ton, is a unit of weight equal to 2,240 pounds or 1,016.0469 kilograms.

History/Origin

The long ton originated in the United Kingdom as a standard measurement for large quantities of goods and materials, particularly in shipping and trade, during the 19th century. It was used alongside other imperial units before the adoption of the metric system.

Current Use

Today, the long ton is primarily used in the United Kingdom and some Commonwealth countries for measuring large quantities of freight, cargo, and in certain industrial contexts. It is less common internationally, having been largely replaced by the metric ton (tonne).



Convert ton (assay) (US) To Other Weight and Mass Units