A British long ton is 2,240 pounds.
Long tons to Carats Converter — long ton to ct
Convert Long ton (long ton) to Carat (ct) using the exact conversion factor (1 long ton = 5,080,234.544 carat). See the formula, worked examples, and conversion table.
Long tons to Carats converter
Converter
Mass/Weight Converter
Convert SI mass, imperial weight, jewelry, atomic, and astronomy mass units.
Context values
Some unit families need one extra value for a physically accurate result.
A metric carat is exactly 200 milligrams.
Result = input x 1016.046909 / 0.0002.
Mass uses the kilogram as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Long tons to Carats
Weight conversions between Long ton and Carat 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 a metric carat is exactly 200 milligrams.
Formula
carats = long tons × 5080234.544
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 carat equals 0.0002 base units, so dividing one by the other gives the direct long ton-to-carat factor of 5080234.544.
Simple example
1 long ton × 5080234.544 = 5,080,234.544 ct
1 long ton = 5,080,234.544 carats.
Real-world example
50 long ton × 5080234.544 = 254,011,727.2 ct
50 long tons = 254,011,727.2 carats.
Conversion table
| Long ton (long ton) | Carat (ct) |
|---|---|
| 1 long ton | 5,080,234.544 ct |
| 5 long ton | 25,401,172.72 ct |
| 10 long ton | 50,802,345.44 ct |
| 25 long ton | 127,005,863.6 ct |
| 50 long ton | 254,011,727.2 ct |
| 100 long ton | 508,023,454.4 ct |
Reverse conversion: Carat to Long ton
1 ct × 1.968413e-7 = 1.968413e-7 long ton
1 carat = 1.968413e-7 long tons.
long tons = carats × 1.968413e-7
For a page dedicated to this direction, see Carat to Long ton.
Understanding the Long ton (long ton)
A British long ton is 2,240 pounds.
Understanding the Carat (ct)
A metric carat is exactly 200 milligrams.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many carats are in 1 long ton?
1 long ton equals 5,080,234.544 carats, using the exact defined conversion factor rather than an estimate.
How do I convert long ton to carat?
Multiply the long ton value by 5080234.544. The converter above does this instantly to whatever precision you set.
How do I convert carat back to long ton?
Use the reverse factor: 1 carat equals 1.968413e-7 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 carat?
Carat (ct) is a unit of mass/weight.
Is the long ton to carat conversion exact?
Yes. Both long ton and carat are defined by fixed standards rather than physical artifacts, so the factor of 5080234.544 used above is exact to as many digits as you choose to display.