Weight and Mass Converter
Result
... Carat = ... Milligram
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Carat to Milligram Converter
Use this page to convert carat values into milligram, with background details, formulas, a worked example, and a quick conversion table.
Conversion formula
1 ct = 200 mg
1 mg = 0.005 ct
Example: 25 ct = 5,000 mg
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.
Milligram
A milligram is one thousandth of a gram.
History: It follows directly from the decimal metric system.
Current use: Milligrams are common in medicine, nutrition, and lab work.
Also written as mg, milligrams, mgs.
Carat to Milligram table
| Carat [ct] | Milligram [mg] |
|---|
| 0.01 ct | 2 mg |
| 0.1 ct | 20 mg |
| 1 ct | 200 mg |
| 2 ct | 400 mg |
| 5 ct | 1,000 mg |
| 10 ct | 2,000 mg |
| 20 ct | 4,000 mg |
| 50 ct | 10,000 mg |
| 100 ct | 20,000 mg |
Frequently asked questions
How many Milligram (mg) are in one Carat (ct)?
One Carat equals 200 Milligram.
How do you convert Carat to Milligram?
Multiply the Carat value by 200 to get the result in Milligram.
How do you convert Milligram back to Carat?
Multiply the Milligram value by 0.005 to get back to Carat.
What is 25 Carat in Milligram?
25 Carat equals 5,000 Milligram.
