Convert ton (assay) (US) [AT (US)] to ton (long) [ton (UK)] Online | Free weight-and-mass Converter

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Ton (Assay) (US) [AT (US)]


The assay ton (AT) is a specialized unit of weight used in the mining and precious metals industries in the United States. It is primarily used to measure ore quantities for assaying, which is the process of analyzing the metal content of ore samples.


One assay ton equals 29.1667 pounds (about 13.23 kilograms), which is different from the standard short ton (2,000 pounds). This smaller ton unit allows for more precise measurements in evaluating the value of ore deposits.


The assay ton helps miners and metallurgists accurately calculate the concentration of valuable metals like gold and silver in ores.


Ton (Long) [ton (UK)]


The long ton, also known as the imperial ton or British ton, is a unit of mass traditionally used in the United Kingdom and some Commonwealth countries.



  • 1 long ton = 2,240 pounds



  • 1 long ton ≈ 1,016.0469 kilograms



  • Symbol: often written as ton (UK) or long ton



  • Historically used in shipping, freight, and coal industries in the UK.



Key Facts:



  • 1 long ton = 2,240 lb



  • ≈ 1,016.05 kg



  • Heavier than the short ton (US, 2,000 lb)



  • Slightly heavier than the metric ton (1,000 kg)



Though largely replaced by the metric ton in most official UK uses, the long ton is still referenced in certain industries and historical contexts.




Popular Weight-and-mass Unit Conversions

Convert ton (assay) (US) [AT (US)] to Other Weight-and-mass Units

ton (assay) (US) [AT (US)] to kilogram kg
ton (assay) (US) [AT (US)] to gram [g]
ton (assay) (US) [AT (US)] to milligram [mg]
ton (assay) (US) [AT (US)] to ton (metric) [t]
ton (assay) (US) [AT (US)] to pound
ton (assay) (US) [AT (US)] to ounce [oz]
ton (assay) (US) [AT (US)] to carat [car,ct]
ton (assay) (US) [AT (US)] to ton (short) [ton (US)]
ton (assay) (US) [AT (US)] to ton (long) [ton (UK)]
ton (assay) (US) [AT (US)] to Atomic mass unit [u]
ton (assay) (US) [AT (US)] to exagram [Eg]
ton (assay) (US) [AT (US)] to petagram [Pg]
ton (assay) (US) [AT (US)] to teragram [Tg]
ton (assay) (US) [AT (US)] to gigagram [Gg]
ton (assay) (US) [AT (US)] to megagram [Mg]
ton (assay) (US) [AT (US)] to hectogram [hg]
ton (assay) (US) [AT (US)] to dekagram [dag]
ton (assay) (US) [AT (US)] to decigram [dg]
ton (assay) (US) [AT (US)] to centigram [cg]
ton (assay) (US) [AT (US)] to microgram [µg]
ton (assay) (US) [AT (US)] to nanogram [ng]
ton (assay) (US) [AT (US)] to picogram [pg]
ton (assay) (US) [AT (US)] to femtogram [fg]
ton (assay) (US) [AT (US)] to attogram [ag]
ton (assay) (US) [AT (US)] to dalton
ton (assay) (US) [AT (US)] to kilogram-force square second/meter
ton (assay) (US) [AT (US)] to kilopound [kip]
ton (assay) (US) [AT (US)] to kip
ton (assay) (US) [AT (US)] to slug
ton (assay) (US) [AT (US)] to pound-force square second/foot
ton (assay) (US) [AT (US)] to pound (troy or apothecary)
ton (assay) (US) [AT (US)] to poundal [pdl]
ton (assay) (US) [AT (US)] to ton (assay) (UK) [AT (UK)]
ton (assay) (US) [AT (US)] to kiloton (metric) [kt]
ton (assay) (US) [AT (US)] to quintal (metric) [cwt]
ton (assay) (US) [AT (US)] to hundredweight (US)
ton (assay) (US) [AT (US)] to hundredweight (UK)
ton (assay) (US) [AT (US)] to quarter (US) [qr (US)]
ton (assay) (US) [AT (US)] to quarter (UK) [qr (UK)]
ton (assay) (US) [AT (US)] to stone (US)
ton (assay) (US) [AT (US)] to stone (UK)
ton (assay) (US) [AT (US)] to tonne [t]
ton (assay) (US) [AT (US)] to pennyweight [pwt]
ton (assay) (US) [AT (US)] to scruple (apothecary) [s.ap]
ton (assay) (US) [AT (US)] to grain [gr]
ton (assay) (US) [AT (US)] to gamma
ton (assay) (US) [AT (US)] to talent (Biblical Hebrew)
ton (assay) (US) [AT (US)] to mina (Biblical Hebrew)
ton (assay) (US) [AT (US)] to shekel (Biblical Hebrew)
ton (assay) (US) [AT (US)] to bekan (Biblical Hebrew)
ton (assay) (US) [AT (US)] to gerah (Biblical Hebrew)
ton (assay) (US) [AT (US)] to talent (Biblical Greek)
ton (assay) (US) [AT (US)] to mina (Biblical Greek)
ton (assay) (US) [AT (US)] to tetradrachma (Biblical Greek)
ton (assay) (US) [AT (US)] to didrachma (Biblical Greek)
ton (assay) (US) [AT (US)] to drachma (Biblical Greek)
ton (assay) (US) [AT (US)] to denarius (Biblical Roman)
ton (assay) (US) [AT (US)] to assarion (Biblical Roman)
ton (assay) (US) [AT (US)] to quadrans (Biblical Roman)
ton (assay) (US) [AT (US)] to lepton (Biblical Roman)
ton (assay) (US) [AT (US)] to Planck mass
ton (assay) (US) [AT (US)] to Electron mass (rest)
ton (assay) (US) [AT (US)] to Muon mass
ton (assay) (US) [AT (US)] to Proton mass
ton (assay) (US) [AT (US)] to Neutron mass
ton (assay) (US) [AT (US)] to Deuteron mass
ton (assay) (US) [AT (US)] to Earths mass
ton (assay) (US) [AT (US)] to Suns mass