Carat to Grain Converter.
Exactly 200 milligrams, the standard unit for gemstone and diamond weight. Converting to grains: The smallest common unit in the avoirdupois system, used in ballistics and medicine. One carat equals 3.08647167059 gr.
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Conversion formula
Multiply the carat value by 3.086471671 to get grains. (factor: 3.08647167059)
1 ct = 3.08647167059 gr
Quick reference table
| ct | gr |
|---|---|
| 1 ct | 3.08647167059 gr |
| 2 ct | 6.17294334118 gr |
| 5 ct | 15.4323583529 gr |
| 10 ct | 30.8647167059 gr |
| 25 ct | 77.1617917647 gr |
| 50 ct | 154.323583529 gr |
| 100 ct | 308.647167059 gr |
| 250 ct | 771.617917647 gr |
Need the reverse? Try ourGrain to Carat.
Carat to Grain FAQ
How many grains are in one carat?
One carat equals 3.08647167059 gr. Multiply by 3.086471671 to convert any value.
How do you convert ct to gr?
Multiply the carat value by 3.086471671 to get grains.
When would you use carats vs grains?
Exactly 200 milligrams, the standard unit for gemstone and diamond weight. The smallest common unit in the avoirdupois system, used in ballistics and medicine.