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Convert carat to milligram

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

- scroll: formula · table · questions -

  • 1 ct = 200 mg
  • 1 mg = 0.005 ct

Carat to milligram conversion table

carat milligram
1 200
2 400
5 1000
10 2000
20 4000
50 10000
100 20000

Carat to milligram formula

To convert carat to milligram, multiply by 200.

1 ct = 200 mg
Example: 1 carat = 200 milligram

Common mass conversion mistakes

  • 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 carat and milligram conversion quiz

Score: 0

14.8 milligram equals 0.148 carat.

Correct answer: 14.8 milligram = 0.074 carat.

6.4 milligram equals 0.032 carat.

Correct answer: 6.4 milligram = 0.032 carat.

210 milligram equals 1.05 carat.

Correct answer: 210 milligram = 1.05 carat.

204 carat equals 4.08e+4 milligram.

Correct answer: 204 carat = 4.08e+4 milligram.

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