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Convert carats to milligrams

Convert carats (ct) to milligrams (mg). 1 ct = 200 mg, and 1 mg = 0.005 ct.

1 ct = 200 mg

Carats to MG formula

mg = ct × 200

Multiply the number of carats by 200.

Example: To convert 1 ct to milligrams: 1 × 200 = 200 mg.

Quick answers

What is 1 ct in milligrams?
1 ct = 200 mg
What is 2 ct in milligrams?
2 ct = 400 mg

Carats to MG conversion table

MG to Carats table
carats (ct)milligrams (mg)
0.25 ct50 mg
0.5 ct100 mg
0.75 ct150 mg
1 ct200 mg
1.5 ct300 mg
2 ct400 mg
3 ct600 mg
5 ct1,000 mg
10 ct2,000 mg
50 ct10,000 mg
100 ct20,000 mg

Frequently asked questions

How many milligrams are in a carat?

There are 200 milligrams in a carat (1 ct = 200 mg).

How do I convert carats to milligrams?

Multiply the number of carats by 200. To convert 1 ct to milligrams: 1 × 200 = 200 mg.

Is the Carats to MG conversion exact?

Yes. Both units are defined exactly, so 1 carat is exactly 200 milligrams. Results on this page are rounded to six significant digits; pick more decimals in the converter if you need them.

What is 1 ct in milligrams?

1 ct = 200 mg.

How do I convert milligrams back to carats?

Use the reverse relationship: 1 mg = 0.005 ct. The MG to Carats page has a converter and a full table.

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