Carats (ct) to Long Tons (UK ton) Converter
Enter a value to instantly convert between weight units.
1 Carat = 1.9684e-7 Long Ton (UK)
Key Formulas
Kilogram → Pound
lb = kg × 2.20462Pound → Kilogram
kg = lb × 0.453592Gram → Ounce
oz = g × 0.035274Ounce → Gram
g = oz × 28.3495Formula
ton = ct × 0.0000001968One carat is 0.2 grams, and since a UK long ton is 1,016,047 grams, one carat is about 197 millionths of a long ton. This conversion is essentially never needed in practice since carats are tiny (0.2 grams) and long tons are huge (1016 kg).
Source: NIST SP 811, Table B.8
Frequently Asked Questions
Real-World Examples
A British diamond mining company shipping 5,080,235 carats of industrial diamond declares exactly 1 long ton for customs.
5080235 ct = 1 lt
A UK jewelry manufacturer using 1 million carats of accent stones receives 0.1968 long tons of material.
1000000 ct = 0.1968 lt
A British mining operation ordering 500,000 carats of diamond powder needs to know it's 0.0984 LT for shipping.
500000 ct = 0.0984 lt
A UK diamond tool manufacturer ordering 10 million carats of diamond reports 1.968 long tons for the contract.
10000000 ct = 1.968 lt