Carat to Pound Converter
Convert Carat (ct) to Pound (lb) instantly. 1 ct = 0.000441 lb.
Mass Converter
26 units available
1 ct = 0.000441 lb
Formula:
lb = ct × 0.0004409245With your value: 1 ct = 0.00044092 lb
How big is that?
Everyday references on a logarithmic scale, all expressed in carat so you can sanity-check the result.
Other Carat to Pound conversions
Carat to Pound Conversion Table
| Carat (ct) | Pound (lb) |
|---|---|
| 0.5 | 0.00022 |
| 1 | 0.000441 |
| 2 | 0.000882 |
| 5 | 0.002205 |
| 10 | 0.004409 |
| 15 | 0.006614 |
| 20 | 0.008818 |
| 25 | 0.011023 |
| 50 | 0.022046 |
| 100 | 0.044092 |
| 250 | 0.110231 |
| 500 | 0.220462 |
| 1000 | 0.440925 |
Pound to Carat Conversion Table
| Pound (lb) | Carat (ct) |
|---|---|
| 0.5 | 1,133.980925 |
| 1 | 2,267.96185 |
| 2 | 4,535.9237 |
| 5 | 11,339.80925 |
| 10 | 22,679.6185 |
| 15 | 34,019.42775 |
| 20 | 45,359.237 |
| 25 | 56,699.04625 |
| 50 | 113,398.0925 |
| 100 | 226,796.185 |
| 250 | 566,990.4625 |
| 500 | 1,133,980.925 |
| 1000 | 2,267,961.85 |
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.
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
Pound (lb)
Mass
1 avoirdupois pound = 0.453 592 37 kg exactly (1959 international agreement).
Source: International Yard and Pound Agreement of 1959; NIST Federal Register Notice 59-5442
US, UK, Canada, Australia, New Zealand, South Africa · Reviewed 2026-07-01
How to Convert Carat to Pound
To convert from Carat (ct) to Pound (lb), multiply the value by 0.0004409245.
Formula: lb = ct × 0.0004409245
Reverse: ct = lb × 2,267.96185
Step-by-Step Example
- Start with your value in Carat. For example: 5 ct
- Multiply by the conversion factor: 5 x 0.0004409245
- The result is: 0.002205 lb
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.
About Pound
The pound (lb) is an imperial unit of mass equal to exactly 0.45359237 kilograms. It is the primary unit of weight in the United States.
Fun Fact: The abbreviation "lb" comes from the Latin "libra pondo" meaning "a pound by weight."
Common uses: body weight (US), food packaging, shipping.
Frequently Asked Questions
How many Pound are in 1 Carat?
There are exactly 0.0004409245 Pound in 1 Carat. This means the conversion factor from Carat to Pound is 0.0004409245.
What is the formula to convert Carat to Pound?
The formula to convert Carat to Pound is: lb = ct × 0.0004409245. For example, to convert 10 Carat to Pound, you would multiply 10 by 0.0004409245.
What is a Carat?
The carat equals 200 milligrams and is the standard unit for measuring gemstone weight.
What is a Pound?
The pound (lb) is an imperial unit of mass equal to exactly 0.45359237 kilograms. It is the primary unit of weight in the United States.
What are the common uses of Carat?
The Carat is commonly used in gemstones, diamonds, jewelry.
Related Mass Conversions
Cite this page
UnitConvertLab. (2026). Carat to Pound converter. UnitConvertLab. Retrieved from https://unitconvertlab.com/convert/carat-to-pound