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Convert carat (troy) to carat

Here you can quickly calculate how many carat fit in one carat (troy).
write a number and we convert instantly
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- scroll: formula · table · questions -

  • 1 ct t = 1.025 ct
  • 1 ct = 0.97561 ct t

Example: carat (troy) to carat

  • 1 carat (troy) = 1.025 carat

Carat (troy) to carat conversion table

carat (troy) carat
1 1.025
2 2.05
5 5.125
10 10.25
20 20.5
50 51.25
100 102.5

Carat (troy) to carat formula

To convert carat (troy) to carat, multiply by 1.025.

1 ct t = 1.025 ct
Example: 1 carat (troy) = 1.025 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 carat (troy) and carat conversion quiz

Score: 0

28 carat equals 31.4 carat (troy).

Correct answer: 28 carat = 27.3 carat (troy).

8.2 carat (troy) equals 8.4 carat.

Correct answer: 8.2 carat (troy) = 8.4 carat.

11.8 carat (troy) equals 13.9 carat.

Correct answer: 11.8 carat (troy) = 12.1 carat.

41 carat equals 40 carat (troy).

Correct answer: 41 carat = 40 carat (troy).

204 carat (troy) equals 209 carat.

Correct answer: 204 carat (troy) = 209 carat.

More mass conversions