How to convert pounds to carats
To convert a measurement in pounds to carats, multiply the value by 2,267.9619. The conversion factor comes from the relationship between both units and the kilogram.
For example, to convert 5 lb to carats: 5 × 2,267.9619 = 11,339.8093 ct.
What is a pound?
A pound is an imperial and US customary unit of mass equal to 16 ounces or exactly 0.45359237 kilograms. The pound derives from the Roman 'libra' (hence the symbol 'lb'). The international avoirdupois pound was fixed at exactly 0.45359237 kg by the 1959 international yard and pound agreement between English-speaking nations.
Common uses of pounds include: Body weight in the US and UK; Grocery and produce pricing in the US; Bodybuilding and weightlifting loads; Shipping weights for parcels in the US.
What is a carat?
A carat is a unit of mass for gemstones equal to exactly 200 milligrams (0.2 grams). The carat takes its name from the carob seed, once used as a counterweight for weighing gems. The metric carat of exactly 200 mg was adopted internationally in the early 20th century to standardize the gem trade.
Common uses of carats include: Diamond and gemstone weight; Jewelry pricing and grading; Pearl and precious stone trading; Gemological certification.
Pounds to carats worked examples
Here are some common values converted:
1 lb = 2,267.9619 ct 5 lb = 11,339.8093 ct 10 lb = 22,679.6185 ct 50 lb = 113,398.0925 ct 100 lb = 226,796.185 ct
Frequently asked questions
How many carats are in one pound?
One pound (lb) equals 2,267.9619 carats (ct). Multiply any value in pounds by 2,267.9619 to convert to carats.
How do I convert pounds to carats?
Multiply the value in pounds by 2,267.9619. For example, 5 lb × 2,267.9619 = 11,339.8093 ct.
How do I convert carats to pounds?
Multiply the value in carats by 0.000440924524, or divide by 2,267.9619. Use the swap button on the converter above to reverse the direction.
Is the pound to carat conversion exact?
Yes. Since 1959 the international pound is defined as exactly 0.45359237 kg, so all weight conversions between metric and avoirdupois units use exact factors.
What is the formula for pounds to carats?
The formula is: ct = lb × 2,267.9619. This comes from the definition of both units relative to the kilogram.