Carats (ct) to Pounds (lbs) Converter
Enter a value to instantly convert between weight units.
1 Carat = 0.0004 Pound
Key Formulas
Kilogram → Pound
lb = kg × 2.20462Pound → Kilogram
kg = lb × 0.453592Gram → Ounce
oz = g × 0.035274Ounce → Gram
g = oz × 28.3495Formula
lb = ct × 0.000440925One carat is 0.2 grams, and since a pound is 453.6 grams, one carat is about 0.000441 pounds — a tiny fraction. This conversion is useful when gemstone weights need to be combined with metal weights in production records or when jewelry specifications require pound-based documentation.
Source: NIST SP 811, Table B.8
Frequently Asked Questions
Real-World Examples
A jewelry designer calculating 1000 carats of accent diamonds relative to the gold weight in lbs — 0.441 lbs.
1000 ct = 0.441 lb
A jewelry manufacturer combining 5000 carats of small diamonds with gold in lbs for the production sheet — 2.2 lbs.
5000 ct = 2.205 lb
A goldsmith designing a piece with 500 carats of center stones needs to know it's 0.22 lbs for the metal weight calculation.
500 ct = 0.22 lb
A jewelry importer calculating 10,000 carats of various gemstones against the total weight in lbs — 4.4 lbs.
10000 ct = 4.409 lb