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Convert milligrams to carats

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

100 mg = 0.5 ct

MG to Carats formula

ct = mg × 0.005

Multiply the number of milligrams by 0.005.

Example: To convert 100 mg to carats: 100 × 0.005 = 0.5 ct.

Quick answers

What is 100 mg in carats?
100 mg = 0.5 ct
What is 250 mg in carats?
250 mg = 1.25 ct
What is 500 mg in carats?
500 mg = 2.5 ct
What is 1,000 mg in carats?
1,000 mg = 5 ct

MG to Carats conversion table

Carats to MG table
milligrams (mg)carats (ct)
1 mg0.005 ct
5 mg0.025 ct
10 mg0.05 ct
25 mg0.125 ct
50 mg0.25 ct
100 mg0.5 ct
200 mg1 ct
250 mg1.25 ct
300 mg1.5 ct
400 mg2 ct
500 mg2.5 ct
750 mg3.75 ct
1,000 mg5 ct
1,500 mg7.5 ct
2,000 mg10 ct
5,000 mg25 ct

Frequently asked questions

How many milligrams are in a carat?

There are 200 milligrams in a carat (1 ct = 200 mg), so 1 mg = 0.005 ct.

How do I convert milligrams to carats?

Multiply the number of milligrams by 0.005. To convert 100 mg to carats: 100 × 0.005 = 0.5 ct.

Is the MG to Carats conversion exact?

Yes. Both units are defined exactly, so 1 milligram is exactly 0.005 carats. Results on this page are rounded to six significant digits; pick more decimals in the converter if you need them.

What is 100 mg in carats?

100 mg = 0.5 ct.

How do I convert carats back to milligrams?

Use the reverse relationship: 1 ct = 200 mg. The Carats to MG page has a converter and a full table.

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