Carat to Gram Converter.
Exactly 200 milligrams, the standard unit for gemstone and diamond weight. Converting to grams: The everyday metric unit for small quantities - cooking, jewelry, and packaging. One carat equals 0.2 g.
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Conversion formula
Divide the carat value by 5 to get grams. (factor: 0.2)
1 ct = 0.2 g
Quick reference table
| ct | g |
|---|---|
| 1 ct | 0.2 g |
| 2 ct | 0.4 g |
| 5 ct | 1 g |
| 10 ct | 2 g |
| 25 ct | 5 g |
| 50 ct | 10 g |
| 100 ct | 20 g |
| 250 ct | 50 g |
Need the reverse? Try ourGram to Carat.
Carat to Gram FAQ
How many grams are in one carat?
One carat equals 0.2 g. Multiply by 0.2 to convert any value.
How do you convert ct to g?
Divide the carat value by 5 to get grams.
When would you use carats vs grams?
Exactly 200 milligrams, the standard unit for gemstone and diamond weight. The everyday metric unit for small quantities - cooking, jewelry, and packaging.