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Convert gram to carat

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

- scroll: formula · table · questions -

  • 1 g = 5 ct
  • 1 ct = 0.2 g

Gram to carat conversion table

gram carat
1 5
2 10
5 25
10 50
20 100
50 250
100 500

Gram to carat formula

To convert gram to carat, multiply by 5.

1 g = 5 ct
Example: 1 gram = 5 carat

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 gram and carat conversion quiz

Score: 0

11.8 gram equals 59 carat.

Correct answer: 11.8 gram = 59 carat.

104 carat equals 20.8 gram.

Correct answer: 104 carat = 20.8 gram.

166 carat equals 33.2 gram.

Correct answer: 166 carat = 33.2 gram.

14 gram equals 63 carat.

Correct answer: 14 gram = 70 carat.

75 carat equals 15 gram.

Correct answer: 75 carat = 15 gram.

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