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Pounds to Long Tons (lb to long tn) Converter

1 pound (lb) = 0.000446429 long tons (long tn). To convert pounds to long tons, multiply by 0.000446429: 150 lb × 0.000446429 = 0.0669643 long tn. Also searched as lbs to long ton, pounds to long ton.

1 lb = 0.0004464286 long tn
Convert the other way: Long Tons to Pounds

Quick facts

How to convert pounds to long tons

  1. Take the value in pounds.
  2. Multiply it by 0.000446429 (the number of long tons in one pound).
  3. Round the result to the precision you need.
long tn = lb × 0.000446429

Worked example (a person's body weight): 150 lb × 0.000446429 = 0.0669643 long tn.

To convert long tons back to pounds, multiply by 2,240, or divide by 0.000446429.

Source: NIST Special Publication 811 (2008), Appendix B (1 pound = 0.45359237 kg exactly). Tola, seer and maund use the standard values given in their definitions on this page.

Pounds to Long Tons conversion table

Pounds to Long Tons conversion table
Pounds [lb]Long Tons [long tn]
1 lb0.0004464286 long tn
10 lb0.0044642857 long tn
100 lb0.0446428571 long tn
1000 lb0.4464285714 long tn
10000 lb4.4642857143 long tn
100000 lb44.6428571429 long tn
1000000 lb446.4285714286 long tn

lb to long tn chart from 1 to 100

Long Tons to Pounds conversion table

Long Tons to Pounds conversion table
Long Tons [long tn]Pounds [lb]
0.001 long tn2.24 lb
0.01 long tn22.4 lb
0.1 long tn224 lb
0.5 long tn1120 lb
1 long tn2240 lb
2 long tn4480 lb
5 long tn11200 lb
10 long tn22400 lb

Pounds vs Long Tons

PoundLong Ton
Symbollblong tn
Equals1 lb = 0.000446429 long tn1 long tn = 2,240 lb

What is a pound?

A US customary and imperial unit equal to exactly 0.45359237 kilograms. The standard everyday weight unit in the US, including body weight.

What is a long ton?

A British imperial unit equal to 2,240 pounds. Historically used in the UK for shipping and industry.

Frequently asked questions

How many long tons are in a pound?

There are 0.000446429 long tons in 1 pound (1 lb = 0.0004464286 long tn).

How many pounds are in a long ton?

There are 2,240 pounds in 1 long ton (1 long tn = 2240 lb).

How do I convert pounds to long tons?

Multiply the number of pounds by 0.000446429. For example, 10 lb × 0.000446429 = 0.00446429 long tn. To convert back, multiply by 2,240.

What is 10 lb in long tons?

10 lb = 0.00446429 long tn.

What is 100 lb in long tons?

100 lb = 0.0446429 long tn.

Is the conversion exact?

Yes. The factor comes from the official definitions of both units (NIST Special Publication 811 (2008), Appendix B (1 pound = 0.45359237 kg exactly). Tola, seer and maund use the standard values given in their definitions on this page). Results are shown to up to 10 decimal places; round them to suit your purpose.

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Reviewed by

Dr. Muhammad Amjad Khadim PhD Mathematics

Dr. Muhammad Amjad Khadim holds a PhD in Mathematics. He writes and reviews the guides on pakmath.com and checks every formula, conversion factor and worked example against published standards and official guidance before it goes live. Spotted an error? Tell us and it will be corrected.

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First published 28 October 2026 · Last reviewed 5 November 2026