A British long ton is 2,240 pounds.
Long tons to Pounds Converter — long ton to lb
Convert Long ton (long ton) to Pound (lb) using the exact conversion factor (1 long ton = 2,240 pound). See the formula, worked examples, conversion table, history, and common uses.
Long tons to Pounds converter
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Context values
Some unit families need one extra value for a physically accurate result.
An avoirdupois pound is exactly 0.45359237 kilograms.
Result = input x 1016.046909 / 0.45359237.
Mass uses the kilogram as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Long tons to Pounds
Weight conversions between Long ton and Pound come up constantly in everyday commerce, shipping, and cooking, since US packaging is usually labeled in pounds while most of the rest of the world uses kilograms. Specifically: A British long ton is 2,240 pounds, and an avoirdupois pound is exactly 0.45359237 kilograms.
Formula
pounds = long tons × 2240
This factor comes from each unit's defined relationship to the category's base unit: 1 long ton equals 1016.0469088 base units, and 1 pound equals 0.45359237 base units, so dividing one by the other gives the direct long ton-to-pound factor of 2240.
Simple example
1 long ton × 2240 = 2,240 lb
1 long ton = 2,240 pounds.
Real-world example
50 long ton × 2240 = 112,000 lb
50 long tons = 112,000 pounds.
Conversion table
| Long ton (long ton) | Pound (lb) |
|---|---|
| 1 long ton | 2,240 lb |
| 5 long ton | 11,200 lb |
| 10 long ton | 22,400 lb |
| 25 long ton | 56,000 lb |
| 50 long ton | 112,000 lb |
| 100 long ton | 224,000 lb |
Reverse conversion: Pound to Long ton
1 lb × 0.0004464285714 = 0.0004464286 long ton
1 pound = 0.0004464286 long tons.
long tons = pounds × 0.000446428571429
For a page dedicated to this direction, see Pound to Long ton.
Understanding the Long ton (long ton)
A British long ton is 2,240 pounds.
Understanding the Pound
Pound (lb) measures mass. The avoirdupois pound is legally defined as exactly 0.45359237 kilograms, fixed by international treaty in 1959. It is classified as a US/imperial customary unit.
Where it's used: United States (primary mass/weight unit) United Kingdom (informal and some retail use) Various Caribbean and Pacific territories with historical UK/US ties
Pound-mass vs. pound-force. This page converts pound-mass (lbm), a unit of mass. Pound-force (lbf) is a separate unit measuring the force gravity exerts on one pound-mass, used in engineering contexts like pounds per square inch.
Uses of the Pound today
- Body weight and food retail packaging in the United States
- Postal, parcel, and freight weight in US shipping and logistics
- Pound-force (lbf) and its derivatives (psi, foot-pounds) in US engineering and aerospace
History of the Pound
Unlike the kilogram's single documented birth in revolutionary France, the pound's history is a long, layered narrowing of competing regional standards. The avoirdupois pound — ancestor of today's standard — emerged among London merchants in the early 14th century (recorded use around 1303), used for weighing wool and other bulk goods under the system merchants called 'avoir de pois,' Old French for 'goods of weight.' Its 16-ounce structure suited large-scale trade better than the 12-ounce troy pound used for precious metals.
Wool merchants used a related 'wool pound' of about 6,992 grains — close enough to 7,000 that Elizabeth I's government formally fixed the avoirdupois pound at exactly 7,000 grains in 1588, the value still used today. Britain and the US then refined their physical standards separately over the following centuries, leaving small discrepancies between them.
Those discrepancies were resolved on 1 July 1959, when the US, UK, Canada, Australia, New Zealand, and South Africa signed the International Yard and Pound Agreement, fixing the pound at exactly 0.45359237 kg and the yard at exactly 0.9144 m. The US National Bureau of Standards (now NIST) adopted the value immediately; the UK followed via its Weights and Measures Act 1963 — the value used by virtually every country today.
Historical origin. Pound was not the invention of a single named person; it developed through the process described above.
Pound — sources
- NIST — International yard and pound, Federal Register notice (1959) — Official 1959 refinement of the yard and pound values adopted by the US National Bureau of Standards.
- Encyclopaedia Britannica — 'Pound (unit of weight)' — History of the Tower, troy, and avoirdupois pounds and their standardization in England.
- UK Weights and Measures Act 1963, s.1(1) — Statutory UK definition of the pound as exactly 0.45359237 kilogram.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many pounds are in 1 long ton?
1 long ton equals 2,240 pounds, using the exact defined conversion factor rather than an estimate.
How do I convert long ton to pound?
Multiply the long ton value by 2240. The converter above does this instantly to whatever precision you set.
How do I convert pound back to long ton?
Use the reverse factor: 1 pound equals 0.0004464286 long tons. You can also use the swap control in the converter above to flip the direction instantly.
What is a long ton?
Long ton (long ton) is a unit of mass/weight.
What is a pound?
Pound (lb) measures mass. The avoirdupois pound is legally defined as exactly 0.45359237 kilograms, fixed by international treaty in 1959. It is classified as a US/imperial customary unit.
Is the long ton to pound conversion exact?
Yes. The avoirdupois pound is legally defined as exactly 0.45359237 kilograms, fixed by international treaty in 1959. That fixed definition is what the converter above uses, so any rounding you see is a display choice, not a limitation of the math.
What is the difference between pound-mass vs. pound-force?
This page converts pound-mass (lbm), a unit of mass. Pound-force (lbf) is a separate unit measuring the force gravity exerts on one pound-mass, used in engineering contexts like pounds per square inch.