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

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Pound [lb or lbs]


The pound is a unit of mass commonly used in the imperial and U.S. customary systems.



  • 1 pound = 0.45359237 kilograms (exact, by definition)



  • Symbol: lb (from Latin libra)



  • Widely used in the United States and a few other countries for body weight, food, and general mass measurements.



  • There are 16 ounces (oz) in 1 pound.



Key Facts:



  • 1 lb = 16 oz



  • 1 lb ≈ 0.454 kg



  • Common in everyday U.S. and UK usage



  • Not an SI unit, but legally defined for trade and commerce



While the pound is not part of the metric system, it remains a familiar unit in daily life for many people, especially in the U.S. and UK.



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.



Popular Weight-and-mass Unit Conversions

Convert pound [lbs] to Other Weight-and-mass Units

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