Long Tons to Carats Converter

Enter the weight in long tons below to get the value converted to carats.


Result in Carats:

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1 lt = 5,080,234.5 ct

Do you want to convert carats to long tons?

How to Convert Long Tons to Carats

To convert a measurement in long tons to a measurement in carats, multiply the weight by the following conversion ratio: 5,080,234.5 carats/long ton.

Since one long ton is equal to 5,080,234.5 carats, you can use this simple formula to convert:

carats = long tons × 5,080,234.5

The weight in carats is equal to the weight in long tons multiplied by 5,080,234.5.

For example, here's how to convert 5 long tons to carats using the formula above.
carats = (5 lt × 5,080,234.5) = 25,401,172.5 ct

How Many Carats Are in a Long Ton?

There are 5,080,234.5 carats in a long ton, which is why we use this value in the formula above.

1 lt = 5,080,234.5 ct

Long tons and carats are both units used to measure weight. Keep reading to learn more about each unit of measure.

What Is a Long Ton?

One long ton is equal to 2,240 pounds and is mostly used in the United Kingdom as a unit of mass/weight.[1] Long tons are not the same as the short ton, which is used mostly in the United States, or the metric ton which is used throughout the world.

The long ton is an imperial unit of weight. A long ton is sometimes also referred to as an imperial ton or displacement ton. Long tons can be abbreviated as lt, and are also sometimes abbreviated as t. For example, 1 long ton can be written as 1 lt or 1 t.

Learn more about long tons.

What Is a Carat?

The carat is a unit of mass/weight equal to 200 milligrams.[2]

A carat is sometimes also referred to as a metric carat. Carats can be abbreviated as ct, and are also sometimes abbreviated as CD. For example, 1 carat can be written as 1 ct or 1 CD.

Learn more about carats.

Long Ton to Carat Conversion Table

Table showing various long ton measurements converted to carats.
Long Tons Carats
0.000001 lt 5.0802 ct
0.000002 lt 10.16 ct
0.000003 lt 15.24 ct
0.000004 lt 20.32 ct
0.000005 lt 25.4 ct
0.000006 lt 30.48 ct
0.000007 lt 35.56 ct
0.000008 lt 40.64 ct
0.000009 lt 45.72 ct
0.0000001 lt 0.508023 ct
0.000001 lt 5.0802 ct
0.00001 lt 50.8 ct
0.0001 lt 508.02 ct
0.001 lt 5,080 ct
0.01 lt 50,802 ct
0.1 lt 508,023 ct
1 lt 5,080,235 ct


  1. State of California Division of Measurement Standards, Brief History of Weights and Measures, https://www.cdfa.ca.gov/dms/trainingmodules/Module_05.pdf
  2. National Institute of Standards and Technology, Precious Metals Conversion Information, https://www.nist.gov/pml/owm/laws-and-regulations/precious-metals-conversion

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