Pounds to Long Tons Converter

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


Result in Long Tons:

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1 lb = 0.000446 lt

Do you want to convert long tons to pounds?

How to Convert Pounds to Long Tons

To convert a measurement in pounds to a measurement in long tons, multiply the weight by the following conversion ratio: 0.000446 long tons/pound.

Since one pound is equal to 0.000446 long tons, you can use this simple formula to convert:

long tons = pounds × 0.000446

The weight in long tons is equal to the weight in pounds multiplied by 0.000446.

For example, here's how to convert 5,000 pounds to long tons using the formula above.
long tons = (5,000 lb × 0.000446) = 2.232143 lt

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

What Is a Pound?

Pounds are a widely used unit of weight in the United States. The National Bureau of Standards approved the international definition of the pound for use in the United States in 1959 after an agreement between six nations referred to as the International Yard and Pound Agreement.[1]

One pound is equal to 16 ounces, or 0.45359237 kilograms. In the avoirdupois or apothecaries' systems, one pound is equal to 7,000 grains.[2]

The pound is a US customary and imperial unit of weight. A pound is sometimes also referred to as a common ounce. Pounds can be abbreviated as lb (plural lbs), and are also sometimes abbreviated as lbm or #. For example, 1 pound can be written as 1 lb, 1 lbm, or 1 #, and 2 pounds can be written as 2 lbs.

Learn more about pounds.

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.[3] 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.

Pound to Long Ton Conversion Table

Table showing various pound measurements converted to long tons.
Pounds Long Tons
1 lb 0.000446 lt
2 lb 0.000893 lt
3 lb 0.001339 lt
4 lb 0.001786 lt
5 lb 0.002232 lt
6 lb 0.002679 lt
7 lb 0.003125 lt
8 lb 0.003571 lt
9 lb 0.004018 lt
10 lb 0.004464 lt
20 lb 0.008929 lt
30 lb 0.013393 lt
40 lb 0.017857 lt
50 lb 0.022321 lt
60 lb 0.026786 lt
70 lb 0.03125 lt
80 lb 0.035714 lt
90 lb 0.040179 lt
100 lb 0.044643 lt
200 lb 0.089286 lt
300 lb 0.133929 lt
400 lb 0.178571 lt
500 lb 0.223214 lt
600 lb 0.267857 lt
700 lb 0.3125 lt
800 lb 0.357143 lt
900 lb 0.401786 lt
1,000 lb 0.446429 lt
2,000 lb 0.892857 lt
3,000 lb 1.3393 lt
4,000 lb 1.7857 lt
5,000 lb 2.2321 lt
6,000 lb 2.6786 lt
7,000 lb 3.125 lt
8,000 lb 3.5714 lt
9,000 lb 4.0179 lt
10,000 lb 4.4643 lt


  1. National Bureau of Standards, Refinement of Values for the Yard and Pound, U.S. Department of Commerce, July 1, 1959, https://www.nist.gov/system/files/documents/2017/05/09/frn-59-5442-1959.pdf
  2. Encyclopædia Britannica, Avoirdupois weight, https://www.britannica.com/science/avoirdupois-weight
  3. State of California Division of Measurement Standards, Brief History of Weights and Measures, https://www.cdfa.ca.gov/dms/trainingmodules/Module_05.pdf

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