WEIGHT UNITS & CONVERSION

Long Ton

Also called
Imperial ton
Reading time
3 minutes

A long ton is a mass unit equal to 2,240 pounds, approximately 1,016.05 kilograms. It is also called an imperial ton and differs from both the US short ton and the metric tonne.

LONG TON IN PRACTICE

  1. Identify the unitConfirm long ton, short ton or tonne.
  2. Convert explicitlyUse the documented conversion factor.
  3. Apply the service rulesCheck the actual weight and rating basis.

Use the agreed units, actual records and approved procedures for your operation.

A WORKED EXAMPLE

Two long tons are 4,480 pounds.

A document records 2 long tons. Multiplying by 2,240 gives 4,480 pounds, approximately 2,032.09 kilograms. Treating the same figure as two short tons would understate the mass by 480 pounds.

WHAT THIS MEANS FOR YOUR QUOTE

Agree the requirement before comparing quotes

Use the actual shipment, stock and service requirements. Record the billing unit, included work and responsibility for exceptions.

A LITTLE MORE CONTEXT

Questions about Long Ton

How many pounds are in a long ton?

2,240 pounds.

Is a long ton the same as a metric tonne?

No.

Should a bare ton label be clarified?

Yes, where the convention is not explicitly established.

Source & example notes

NIST: unit conversion factors.

Sources provide background on the linked topic. Product documentation describes a particular implementation; confirm the rules, contract and procedures that apply to your operation.

Quantities, costs and scenarios are illustrative, not operating targets, approved handling instructions or guarantees. Source guidance reviewed 23 October 2026.

Last updated: · 3PL Hub

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