Milligram To Carat Conversion Chart

Milligram (mg) Carat (ct)
0.01 mg0.00005 ct
0.1 mg0.0005 ct
1 mg0.005 ct
2 mg0.01 ct
5 mg0.025 ct
10 mg0.05 ct
20 mg0.1 ct
50 mg0.25 ct
100 mg0.5 ct
500 mg2.5 ct
1000 mg5 ct

Convert from milligram to carat formula

Total carat = Total milligram x 0.005

For example, if you want to convert 200 Milligram to Carat then,

200 mg = 200 x 0.005 = 1 ct

Convert from carat to milligram formula

Total milligram =
Total carat
1 ct
= 200 mg


A unit of measurement of mass in the metric system equal to a thousandth of a gram, and equivalent to 0.0154 grain.


The carat (ct) is a unit of mass equal to 200 mg, and is used for measuring gemstones and pearls, sometimes known as the metric carat. In terms of diamonds, a paragon is a flawless stone of at least 100 carats.