Long Tons (UK ton) to Carats (ct) Converter
Enter a value to instantly convert between weight units.
1 Long Ton (UK) = 5080234.544 Carat
Key Formulas
Kilogram → Pound
lb = kg × 2.20462Pound → Kilogram
kg = lb × 0.453592Gram → Ounce
oz = g × 0.035274Ounce → Gram
g = oz × 28.3495Formula
ct = ton × 5080235One UK long ton is 1,016,047 grams, and since a carat is 0.2 grams, one long ton equals about 5.08 million carats. While gemstones are normally weighed in carats, industrial diamond products and large-scale diamond operations might occasionally use long tons where carat conversion is needed.
Source: NIST SP 811, Table B.8
Frequently Asked Questions
Real-World Examples
A British diamond mining operation weighing 1 long ton of industrial diamond converts to 5,080,235 carats for the report.
1 lt = 5080235 ct
A UK jewelry manufacturer using 5 long tons of diamond abrasive converts to 25,401,175 carats for production.
5 lt = 25401175 ct
A British mining company processing 0.5 long tons of diamond ore calculates 2,540,118 carats for output.
0.5 lt = 2540117.5 ct
A UK diamond tool manufacturer ordering 10 long tons of diamond powder reports 50,802,350 carats for the contract.
10 lt = 50802350 ct