Carat to Decigram Converter
Unit Converter
Instant · Precise · Universal
34 units available
6 categories total
How to Convert Carat to Decigram
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) = 2 Decigram (dg).
Carat to Decigram — Common Values
| Carat (ct) | Decigram (dg) |
|---|---|
| 0.1 | 0.2 |
| 0.5 | 1 |
| 1 | 2 |
| 2 | 4 |
| 5 | 10 |
| 10 | 20 |
| 25 | 50 |
| 50 | 100 |
| 100 | 200 |
| 500 | 1000 |
| 1000 | 2000 |
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 Decigram (dg)
Definition
The decigram is a unit of mass equal to one tenth of a gram (10⁻¹ g) or 100 milligrams.
Mathematical Relationship
1 dg = 0.1 g = 100 mg = 10 cg.
Conversion Formula
To convert dg to grams: divide by 10. To convert dg to mg: multiply by 100.
Practical Applications
Limited modern use. May appear in some European cooking recipes or educational worksheets.
Interesting Facts
The decigram was in wider use in the 19th century when the metric system was still establishing conventions.
Common Mistakes
Confusing dg (decigram) with dag (dekagram) — they differ by a factor of 100.
Educational Tips
Deci = one-tenth, deka = ten. They are opposite: dg = 0.1 g, dag = 10 g.