Carat to Pound Converter
Unit Converter
Instant · Precise · Universal
34 units available
6 categories total
How to Convert Carat to Pound
To convert carats to grams: multiply by 0.2. To convert grams to carats: multiply by 5.
1 ct = 0.2 g = 200 mg = 0.007055 oz.
For example, 1 Carat (ct) = 0.0004409245244 Pound (lb).
Carat to Pound — Common Values
| Carat (ct) | Pound (lb) |
|---|---|
| 0.1 | 0.00004409245244 |
| 0.5 | 0.0002204622622 |
| 1 | 0.0004409245244 |
| 2 | 0.0008818490487 |
| 5 | 0.002204622622 |
| 10 | 0.004409245244 |
| 25 | 0.01102311311 |
| 50 | 0.02204622622 |
| 100 | 0.04409245244 |
| 500 | 0.2204622622 |
| 1000 | 0.4409245244 |
About Carat (ct)
Definition
The carat is a unit of mass used for gemstones and pearls, equal to exactly 200 milligrams (0.2 grams).
Mathematical Relationship
1 ct = 0.2 g = 200 mg = 0.007055 oz.
Conversion Formula
To convert carats to grams: multiply by 0.2. To convert grams to carats: multiply by 5.
Practical Applications
Diamond grading and pricing, gemstone trade, pearl classification, and jewelry appraisal.
Interesting Facts
The Hope Diamond weighs 45.52 ct (9.1 g). The Cullinan Diamond, the largest gem-quality rough diamond ever found, was 3,106 ct (621 g).
Common Mistakes
Confusing carat (ct, mass) with karat (K, gold purity). 24K gold is pure gold; a 24-carat diamond weighs 4.8 g.
Educational Tips
Carat = weight of a gem. Karat = purity of gold. They sound the same but measure completely different things.
About Pound (lb)
Definition
The pound is an imperial unit of mass equal to exactly 0.45359237 kilograms or 16 ounces.
Mathematical Relationship
1 lb = 16 oz = 0.45359237 kg = 453.59237 g = 7,000 grains.
Conversion Formula
To convert pounds to kg: multiply by 0.4536. To convert kg to pounds: multiply by 2.2046.
Practical Applications
Body weight, grocery shopping, luggage weight limits, boxing weight classes, and recipe measurements in the US.
Interesting Facts
The pound is legally defined as exactly 0.45359237 kg worldwide since 1959. 'Pound' and British '£' both trace back to the Roman libra.
Common Mistakes
Confusing pounds (mass) with pound-force (a unit of force). Also, approximately 1 kg = 2.2 lb, not 2 lb.
Educational Tips
Quick rule: divide pounds by 2 and subtract 10% for a rough kg conversion. Example: 150 lb ÷ 2 = 75, minus 10% ≈ 68 kg.