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Convert carat (troy) to gram

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

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  • 1 ct t = 0.205 g
  • 1 g = 4.878049 ct t

Carat (troy) to gram conversion table

carat (troy) gram
1 0.205
2 0.41
5 1.025
10 2.05
20 4.1
50 10.25
100 20.5

Formula to convert carat (troy) to gram

To convert carat (troy) to gram, multiply by 0.205.

1 ct t = 0.205 g
Example: 1 carat (troy) = 0.205 gram

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 carat (troy) to/from gram conversion quiz

Score: 0

5.2 carat (troy) equals 1.07 gram.

Correct answer: 5.2 carat (troy) = 1.07 gram.

13.7 carat (troy) equals 2.81 gram.

Correct answer: 13.7 carat (troy) = 2.81 gram.

241 gram equals 999 carat (troy).

Correct answer: 241 gram = 1.18e+3 carat (troy).

7 carat (troy) equals 1.22 gram.

Correct answer: 7 carat (troy) = 1.44 gram.

18.1 gram equals 97.1 carat (troy).

Correct answer: 18.1 gram = 88.3 carat (troy).

More conversions in mass