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Free Weight Converter

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.

Result

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All units

Conversion formula

Multiply the carat value by 3.086471671 to get grains. (factor: 3.08647167059)

1 ct = 3.08647167059 gr

Quick reference table

ctgr
1 ct3.08647167059 gr
2 ct6.17294334118 gr
5 ct15.4323583529 gr
10 ct30.8647167059 gr
25 ct77.1617917647 gr
50 ct154.323583529 gr
100 ct308.647167059 gr
250 ct771.617917647 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.