Convert carats to pounds

1 ct=0.0004409lb

Use the converter below to change any carats value into pounds instantly — with formula, conversion table, and real-world examples.

You have

Equals

0.00044092

Conversion formula

Forward

pounds = carats × 0.0004409

Reverse

carats = pounds × 2,267.96

Example: 10 ct × 0.0004409 = 0.004409 lb.

About both units

From

Carat

The metric carat equals 200 milligrams exactly. It is the standard unit for gemstone weight — diamonds, rubies, sapphires and emeralds are sold by the carat. Do not confuse with the purity carat (karat) used for gold (24K = pure gold).

Real-world: A 1-carat diamond weighs 200 mg and is typically 6.5 mm across. The Hope Diamond is 45.52 carats (9.1 g).

Read full carat reference →

Pound

The pound equals 453.59237 grams exactly since 1959. It is the standard weight unit in the United States and widely used in the UK alongside kilograms. Adult body weight in the US is quoted in pounds (130–200 lb typical range). Boxing heavyweight division is above 200 lb.

Real-world: An average adult is 130–200 lb. US airline luggage allowance is usually 50 lb (22.7 kg). A gallon of milk weighs about 8.6 lb.

Read full pound reference →

Carat to Pound conversion table

Common carats to pounds values for quick reference.

Carat (ct)	Pound (lb)
1 ct	0.0004409 lb
5 ct	0.002205 lb
10 ct	0.004409 lb
25 ct	0.01102 lb
50 ct	0.02205 lb
100 ct	0.04409 lb
250 ct	0.1102 lb
500 ct	0.2205 lb
1,000 ct	0.4409 lb
5,000 ct	2.20462 lb

Tips & common mistakes

Quick tips

1 carat = 200 mg = 0.2 g exactly since 1907.
Carat (gem weight) and karat (gold purity, 24 K = pure) are different words with different meanings.
A carat is divided into 100 points; a 0.25 ct diamond is called a "25-pointer".

Avoid these

Confusing carat (mass) with karat (gold purity).
Assuming a 2-carat diamond is twice the physical size of a 1-carat — volume scales with cube root of mass.
Using "karat" on gemstone certificates — international standard is "carat" spelled with a C.

Frequently asked questions

How many pounds in a carat?

One carat equals 0.0004409 pounds.

How do I convert carats to pounds?

Multiply the carat value by 0.0004409 to get the equivalent in pounds.

What is 100 carats in pounds?

100 carats equals 0.04409 pounds.

Is a carat bigger than a pound?

No. 1 carat equals 0.0004409 pounds, so one carat is smaller.

How to convert carats to pounds without a calculator?

Multiply by 0 for a quick estimate; use a calculator for precise results.

Related weight conversions

📊 See full comparison matrix →

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