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Convert carat (troy) to stone

Here you can quickly calculate how many stone fit in one carat (troy).
write a number and we convert instantly
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  • 1 ct t = 0.000032 st
  • 1 st = 30977.039902 ct t

Example: carat (troy) to stone

  • 1 carat (troy) = 0.000032 stone

Carat (troy) to stone conversion table

carat (troy) stone
1 0.000032
2 0.000065
5 0.000161
10 0.000323
20 0.000646
50 0.001614
100 0.003228

Carat (troy) to stone formula

To convert carat (troy) to stone, multiply by 0.000032.

1 ct t = 0.000032 st
Example: 1 carat (troy) = 0.000032 stone

Common mass conversion mistakes

  • A stone is often assumed to be 10 pounds, but it is 14 pounds, about 6.35 kg. A body weight of '12 stone' is therefore about 76 kg, not 54 kg. Multiply stone by 6.35 to get kilograms.
  • 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 stone conversion quiz

Score: 0

1 stone equals 155 000 carat (troy).

Correct answer: 1 stone = 31 000 carat (troy).

5 stone equals 15 500 carat (troy).

Correct answer: 5 stone = 155 000 carat (troy).

2 stone equals 62 000 carat (troy).

Correct answer: 2 stone = 62 000 carat (troy).

More mass conversions