Weight and Mass Converter
Result
... Carat = ... Gram
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Carat to Gram Converter
Use this page to convert carat values into gram, with background details, formulas, a worked example, and a quick conversion table.
Conversion formula
1 ct = 0.2 g
1 g = 5 ct
Example: 25 ct = 5 g
Carat
A metric carat equals exactly 200 milligrams.
History: The carat was standardized from older gemstone trade measures.
Current use: Carats are used for diamonds, gemstones, and jewelry weights.
Also written as ct, carats.
Gram
A gram is one thousandth of a kilogram.
History: It became widely adopted as a practical subdivision of the kilogram.
Current use: Grams are used for food labels, ingredients, and light materials.
Also written as g, grams, gr.
Carat to Gram table
| Carat [ct] | Gram [g] |
|---|
| 0.01 ct | 0.002 g |
| 0.1 ct | 0.02 g |
| 1 ct | 0.2 g |
| 2 ct | 0.4 g |
| 5 ct | 1 g |
| 10 ct | 2 g |
| 20 ct | 4 g |
| 50 ct | 10 g |
| 100 ct | 20 g |
Frequently asked questions
How many Gram (g) are in one Carat (ct)?
One Carat equals 0.2 Gram.
How do you convert Carat to Gram?
Multiply the Carat value by 0.2 to get the result in Gram.
How do you convert Gram back to Carat?
Multiply the Gram value by 5 to get back to Carat.
What is 25 Carat in Gram?
25 Carat equals 5 Gram.