Pounds to Carats Conversion (lb to ct)

Pounds to Carats Converter

Enter the weight in pounds below to convert it to carats.

Result in Carats:

1 lb = 2,267.96185 ct

How to Convert Pounds to Carats

To convert a measurement in pounds to a measurement in carats, multiply the weight by the following conversion ratio: 2,267.96185 carats/pound.

Since one pound is equal to 2,267.96185 carats, you can use this simple formula to convert:

carats = pounds × 2,267.96185

The weight in carats is equal to the weight in pounds multiplied by 2,267.96185.

For example, here's how to convert 5 pounds to carats using the formula above.

carats = (5 lb × 2,267.96185) = 11,339.80925 ct

conversion scale showing pounds and equivalent carats weight values

How Many Carats Are in a Pound?

There are 2,267.96185 carats in a pound, which is why we use this value in the formula above.

1 lb = 2,267.96185 ct

Pounds and carats are both units used to measure weight. Keep reading to learn more about each unit of measure.

What Is a Pound?

Pounds are a widely used unit of weight in the United States. The National Bureau of Standards approved the international definition of the pound for use in the United States in 1959 after an agreement between six nations referred to as the International Yard and Pound Agreement.^[1]

One pound is equal to 16 ounces, or 0.45359237 kilograms. In the avoirdupois or apothecaries' systems, one pound is equal to 7,000 grains.^[2]

The pound is a US customary and imperial unit of weight. A pound is sometimes also referred to as a common ounce. Pounds can be abbreviated as lb (plural lbs), and are also sometimes abbreviated as lb_m or #. For example, 1 pound can be written as 1 lb, 1 lb_m, or 1 #, and 2 pounds can be written as 2 lbs.

Learn more about pounds.

What Is a Carat?

The carat is a unit of mass/weight equal to 200 milligrams.^[3]

A carat is sometimes also referred to as a metric carat. Carats can be abbreviated as ct, and are also sometimes abbreviated as CD. For example, 1 carat can be written as 1 ct or 1 CD.

Learn more about carats.

Pound to Carat Conversion Table

Table showing various pound measurements converted to carats.
Pounds	Carats
0.001 lb	2.268 ct
0.002 lb	4.5359 ct
0.003 lb	6.8039 ct
0.004 lb	9.0718 ct
0.005 lb	11.34 ct
0.006 lb	13.61 ct
0.007 lb	15.88 ct
0.008 lb	18.14 ct
0.009 lb	20.41 ct
0.01 lb	22.68 ct
0.02 lb	45.36 ct
0.03 lb	68.04 ct
0.04 lb	90.72 ct
0.05 lb	113.4 ct
0.06 lb	136.08 ct
0.07 lb	158.76 ct
0.08 lb	181.44 ct
0.09 lb	204.12 ct
0.1 lb	226.8 ct
0.2 lb	453.59 ct
0.3 lb	680.39 ct
0.4 lb	907.18 ct
0.5 lb	1,134 ct
0.6 lb	1,361 ct
0.7 lb	1,588 ct
0.8 lb	1,814 ct
0.9 lb	2,041 ct
1 lb	2,268 ct

Table showing various pound measurements converted to carats.

Pounds

Carats

0.001 lb

2.268 ct

0.002 lb

4.5359 ct

0.003 lb

6.8039 ct

0.004 lb

9.0718 ct

0.005 lb

11.34 ct

0.006 lb

13.61 ct

0.007 lb

15.88 ct

0.008 lb

18.14 ct

0.009 lb

20.41 ct

0.01 lb

22.68 ct

0.02 lb

45.36 ct

0.03 lb

68.04 ct

0.04 lb

90.72 ct

0.05 lb

113.4 ct

0.06 lb

136.08 ct

0.07 lb

158.76 ct

0.08 lb

181.44 ct

0.09 lb

204.12 ct

0.1 lb

226.8 ct

0.2 lb

453.59 ct

0.3 lb

680.39 ct

0.4 lb

907.18 ct

0.5 lb

1,134 ct

0.6 lb

1,361 ct

0.7 lb

1,588 ct

0.8 lb

1,814 ct

0.9 lb

2,041 ct

1 lb

2,268 ct

References

National Bureau of Standards, Refinement of Values for the Yard and Pound, U.S. Department of Commerce, July 1, 1959, https://www.nist.gov/system/files/documents/2017/05/09/frn-59-5442-1959.pdf
Encyclopædia Britannica, Avoirdupois weight, https://www.britannica.com/science/avoirdupois-weight
National Institute of Standards and Technology, Precious Metals Conversion Information, https://www.nist.gov/pml/owm/laws-and-regulations/precious-metals-conversion