Long Tons (UK ton) to Short Tons (US ton) Converter
Enter a value to instantly convert between weight units.
1 Long Ton (UK) = 1.12 Short Ton (US)
Key Formulas
Kilogram → Pound
lb = kg × 2.20462Pound → Kilogram
kg = lb × 0.453592Gram → Ounce
oz = g × 0.035274Ounce → Gram
g = oz × 28.3495Formula
ton = ton × 1.12One UK long ton (2240 lbs) equals 1.12 US short tons (2000 lbs). The difference is 240 lbs — a long ton is about 12% heavier. This conversion is essential when comparing UK and US shipping weights, in naval architecture for international contracts, or when converting freight documentation between the two countries.
Source: NIST SP 811, Table B.8
Frequently Asked Questions
Real-World Examples
A UK shipping company calculating 10 long tons of cargo for a US port — 11.2 short tons.
10 lt = 11.2 ton
A British exporter converting 5 long tons of goods for a US buyer — 5.6 short tons.
5 lt = 5.6 ton
A naval architect converting 1 long ton of British naval supplies to short tons — 1.12 ST.
1 lt = 1.12 ton
A UK freight forwarder calculating 20 long tons for a US shipping line — 22.4 short tons.
20 lt = 22.4 ton