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Free Weight Converter

Carat to Milligram Converter.

Exactly 200 milligrams, the standard unit for gemstone and diamond weight. Converting to milligrams: One thousandth of a gram, common on nutrition labels and in medicine. One carat equals 200 mg.

Result

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All units

Conversion formula

Multiply the carat value by 200 to get milligrams. (factor: 200)

1 ct = 200 mg

Quick reference table

ctmg
1 ct200 mg
2 ct400 mg
5 ct1,000 mg
10 ct2,000 mg
25 ct5,000 mg
50 ct10,000 mg
100 ct20,000 mg
250 ct50,000 mg

Need the reverse? Try ourMilligram to Carat.

Carat to Milligram FAQ

How many milligrams are in one carat?

One carat equals 200 mg. Multiply by 200 to convert any value.

How do you convert ct to mg?

Multiply the carat value by 200 to get milligrams.

When would you use carats vs milligrams?

Exactly 200 milligrams, the standard unit for gemstone and diamond weight. One thousandth of a gram, common on nutrition labels and in medicine.