What is a carat used to measure?

A carat is a unit of mass mainly used for weighing gemstones and pearls, defined as exactly 200 milligrams.

How is one pound defined?

One pound, abbreviated lb or lbs, is defined as exactly 0.45359237 kilograms in the avoirdupois system.

Why convert carats to pounds?

Converting carats to pounds helps relate gemstone weights to common mass units used in trade, shipping, and labeling in countries that use pounds.

How to Convert from Carat [car, ct] to Pound [lbs]?

Learn how to easily convert weight and mass measurements from carats, used mainly in gemstones and pearls, to pounds, a common unit in the US customary system.

Carat [car, ct]

Pound [lbs]

Please check your input. It must be a valid numeric value.

Carat [car, ct] to Pound [lbs] Conversion Table

Carat [car, ct]	Pound [lbs]

Custom Unit Conversion Table Generator – Instant Printable Conversion Tables

Start Value

Enter the starting number (positive decimal or integer ≥ 0). Example: 0.1, 1, 5.

End Value

Enter the ending number (positive decimal or integer > Start Value). Example: 10, 50, 100.

Interval

Enter the step size (positive decimal > 0 and < End Value – Start Value). Example: 1.0, 2.5.

Carat [car, ct] to Pound [lbs] Conversion Table
Carat [car, ct]	Pound [lbs]

Explore More Weight And Mass Units Converter

What Is This Tool?

This unit converter tool enables you to change measurements from carat, a unit used primarily for gemstones and pearls, into pounds, which are commonly used for body weight and packaged goods in the United States. It bridges the specialized jewelry weight units with everyday weight units.

How to Use This Tool?

Enter the value in carats (car or ct) you want to convert.
Select carat as the input unit and pound (lbs) as the output unit.
Run the conversion to see the equivalent weight in pounds.

Key Features

Converts gemstone and pearl weights from carat to pounds accurately based on exact conversion rates.
Supports understanding of small mass units by relating them to more common units like pounds.
Useful for jewelry industry valuation, gem certification, and US retail or shipping contexts.
Browser-based and easy to use for quick weight conversions.

Examples

10 Carat equals 0.004409245 Pound.
50 Carat equals 0.022046225 Pound.

Common Use Cases

Weighing and pricing diamonds and gemstones in the jewelry market.
Recording pearl masses for gemological certificates.
Converting small sample masses for jewelry manufacturing quality control.
Relating gemstone weights to pounds for shipping and product labeling in US customary units.

Tips & Best Practices

Always verify the unit abbreviations to avoid confusion between carat (ct) and other units.
Use the tool especially when needing to relate specialized gem weights to everyday mass units.
Handle fractional pound results carefully due to the small size of carat masses compared to pounds.

Limitations

Carat values convert to very small fractions of a pound, which may require precise handling.
Pounds are not suitable for high-precision gemological measurements where carats offer more detail.
While the conversion formula is exact, practical use depends on the level of precision needed in your context.

Frequently Asked Questions

What is a carat used to measure?: A carat is a unit of mass mainly used for weighing gemstones and pearls, defined as exactly 200 milligrams.
How is one pound defined?: One pound, abbreviated lb or lbs, is defined as exactly 0.45359237 kilograms in the avoirdupois system.
Why convert carats to pounds?: Converting carats to pounds helps relate gemstone weights to common mass units used in trade, shipping, and labeling in countries that use pounds.

Key Terminology

Carat [car, ct]: A unit of mass equal to 200 milligrams, primarily used for weighing gemstones and pearls.
Pound [lbs]: A unit of mass in the avoirdupois system defined exactly as 0.45359237 kilograms, commonly used in the US.
Avoirdupois system: A system of weights used in the US and UK for everyday objects, where the pound is a standard unit.

Quick Knowledge Check

What is the exact value of one carat in pounds?

0.0044 lbs

0.0004409245 lbs

0.45359237 lbs

Which industry primarily uses carats as a weight measurement?

Jewelry and gemstones

Food packaging

Human body weight

What is one pound defined as in kilograms?

0.2 kg

0.45359237 kg

100 grams

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