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Convert carat to koku

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

- scroll: formula · table · questions -

  • 1 ct = 0.000001 koku
  • 1 koku = 901950 ct

Carat to koku conversion table

carat koku
1 0.000001
2 0.000002
5 0.000006
10 0.000011
20 0.000022
50 0.000055
100 0.000111

Carat to koku formula

To convert carat to koku, divide by 901950.

1 ct = 0.000001 koku
Example: 1 carat = 0.000001 koku

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 and koku conversion quiz

Score: 0

25 koku equals 2.25e+7 carat.

Correct answer: 25 koku = 2.25e+7 carat.

20 carat equals 2.22e-5 koku.

Correct answer: 20 carat = 2.22e-5 koku.

1 koku equals 9.02e+5 carat.

Correct answer: 1 koku = 9.02e+5 carat.

10 carat equals 2.22e-6 koku.

Correct answer: 10 carat = 1.11e-5 koku.

10 koku equals 9.02e+7 carat.

Correct answer: 10 koku = 9.02e+6 carat.

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