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Convert milligram to carat

Here you can quickly calculate how many carat fit in one milligram.

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  • 1 mg = 0.005 ct
  • 1 ct = 200 mg

Milligram to carat conversion table

milligram carat
1 0.005
2 0.01
5 0.025
10 0.05
20 0.1
50 0.25
100 0.5

Formula to convert milligram to carat

To convert milligram to carat, divide by 200.

1 mg = 0.005 ct
Example: 1 milligram = 0.005 carat

Common mistakes in mass conversion

  • The carat used for gemstones is a unit of mass: exactly 0.2 g, so a 5-carat diamond weighs 1 gram. The karat used for gold is something else entirely, a purity scale where 24k is pure gold and 18k is 75% gold. The two cannot be converted into each other.

Quick milligram to/from carat conversion quiz

Score: 0

12.9 carat equals 2.58e+3 milligram.

Correct answer: 12.9 carat = 2.58e+3 milligram.

24.4 milligram equals 0.061 carat.

Correct answer: 24.4 milligram = 0.122 carat.

8.7 carat equals 1.74e+3 milligram.

Correct answer: 8.7 carat = 1.74e+3 milligram.

0.4 carat equals 48 milligram.

Correct answer: 0.4 carat = 80 milligram.

13.8 carat equals 2.76e+3 milligram.

Correct answer: 13.8 carat = 2.76e+3 milligram.

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