Long Ton (UK) to Carat Converter
Convert Long Ton (UK) (long ton) to Carat (ct) instantly. 1 long ton = 5,080,234.544 ct.
Mass Converter
26 units available
1 long ton = 5,080,234.544 ct
Formula:
ct = long ton × 5,080,234.544With your value: 1 long ton = 5,080,234.544 ct
How big is that?
Everyday references on a logarithmic scale, all expressed in long ton (uk) so you can sanity-check the result.
Other Long Ton (UK) to Carat conversions
Long Ton (UK) to Carat Conversion Table
| Long Ton (UK) (long ton) | Carat (ct) |
|---|---|
| 0.5 | 2,540,117.272 |
| 1 | 5,080,234.544 |
| 2 | 10,160,469.088 |
| 5 | 25,401,172.72 |
| 10 | 50,802,345.44 |
| 15 | 76,203,518.16 |
| 20 | 101,604,690.88 |
| 25 | 127,005,863.6 |
| 50 | 254,011,727.2 |
| 100 | 508,023,454.4 |
| 250 | 1,270,058,636 |
| 500 | 2,540,117,272 |
| 1000 | 5,080,234,544 |
Carat to Long Ton (UK) Conversion Table
| Carat (ct) | Long Ton (UK) (long ton) |
|---|---|
| 0.5 | 9.842065e-8 |
| 1 | 1.968413e-7 |
| 2 | 3.936826e-7 |
| 5 | 9.842065e-7 |
| 10 | 1.968413e-6 |
| 15 | 2.952620e-6 |
| 20 | 3.936826e-6 |
| 25 | 4.921033e-6 |
| 50 | 9.842065e-6 |
| 100 | 1.968413e-5 |
| 250 | 4.921033e-5 |
| 500 | 9.842065e-5 |
| 1000 | 0.000197 |
Where these values come from
Every factor on this page is traced to the document that defines it. See the full provenance dataset or our methodology.
Long Ton (UK) (long ton)
Mass
Traceable to the kilogram, defined by fixing the Planck constant at 6.626 070 15 × 10⁻³⁴ J·s. Avoirdupois masses derive from the 1959 international pound (0.453 592 37 kg exactly).
Source: BIPM, The International System of Units (SI), 9th edition, 2019 (updated 2024)
Bureau International des Poids et Mesures · Reviewed 2026-07-01
Carat (ct)
Mass
The metric carat is exactly 200 mg, agreed internationally in 1907.
National Institute of Standards and Technology (US) · Reviewed 2026-07-01
How to Convert Long Ton (UK) to Carat
To convert from Long Ton (UK) (long ton) to Carat (ct), multiply the value by 5,080,234.544.
Formula: ct = long ton × 5,080,234.544
Reverse: long ton = ct × 1.968413e-7
Step-by-Step Example
- Start with your value in Long Ton (UK). For example: 5 long ton
- Multiply by the conversion factor: 5 x 5,080,234.544
- The result is: 25,401,172.72 ct
About Long Ton (UK)
The long ton (imperial ton) equals 2,240 pounds or 1,016.0469088 kg, and remains in use for shipping displacement.
Common uses: shipping, UK industry (historic).
About Carat
The carat equals 200 milligrams and is the standard unit for measuring gemstone weight.
Fun Fact: The word "carat" comes from the carob seed, which was used as a balance weight in ancient gem trading.
Common uses: gemstones, diamonds, jewelry.
Frequently Asked Questions
How many Carat are in 1 Long Ton (UK)?
There are exactly 5,080,234.544 Carat in 1 Long Ton (UK). This means the conversion factor from Long Ton (UK) to Carat is 5,080,234.544.
What is the formula to convert Long Ton (UK) to Carat?
The formula to convert Long Ton (UK) to Carat is: ct = long ton × 5,080,234.544. For example, to convert 10 Long Ton (UK) to Carat, you would multiply 10 by 5,080,234.544.
What is a Long Ton (UK)?
The long ton (imperial ton) equals 2,240 pounds or 1,016.0469088 kg, and remains in use for shipping displacement.
What is a Carat?
The carat equals 200 milligrams and is the standard unit for measuring gemstone weight.
What are the common uses of Long Ton (UK)?
The Long Ton (UK) is commonly used in shipping, UK industry (historic).
Related Mass Conversions
Cite this page
UnitConvertLab. (2026). Long Ton (UK) to Carat converter. UnitConvertLab. Retrieved from https://unitconvertlab.com/convert/long_ton-to-carat