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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

17.1 carat (troy) equals 17.5 carat.

Correct answer: 17.1 carat (troy) = 17.5 carat.

88 carat (troy) equals 90.2 carat.

Correct answer: 88 carat (troy) = 90.2 carat.

2.1 carat equals 2.05 carat (troy).

Correct answer: 2.1 carat = 2.05 carat (troy).

20.3 carat (troy) equals 22.9 carat.

Correct answer: 20.3 carat (troy) = 20.8 carat.

More mass conversions