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Convert carat to kilogram

Here you can quickly calculate how many kilogram fit in one carat.
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- scroll: formula · table · questions -

  • 1 ct = 0.0002 kg
  • 1 kg = 5000 ct

Example: carat to kilogram

  • 1 carat = 0.0002 kilogram

Carat to kilogram conversion table

carat kilogram
1 0.0002
2 0.0004
5 0.001
10 0.002
20 0.004
50 0.01
100 0.02

Carat to kilogram formula

To convert carat to kilogram, divide by 5000.

1 ct = 0.0002 kg
Example: 1 carat = 0.0002 kilogram

Common mass conversion mistakes

  • The 'just double it' shortcut from kilograms to pounds hides a 10% error: a kilogram is about 2.205 lb, so 80 kg is 176 lb, not 160. Multiply by 2.2 instead: double the number, then add 10%.
  • 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 kilogram conversion quiz

Score: 0

25 carat equals 0.001 kilogram.

Correct answer: 25 carat = 0.005 kilogram.

20 carat equals 0.004 kilogram.

Correct answer: 20 carat = 0.004 kilogram.

5 kilogram equals 25 000 carat.

Correct answer: 5 kilogram = 25 000 carat.

10 carat equals 0.01 kilogram.

Correct answer: 10 carat = 0.002 kilogram.

5 carat equals 0.01 kilogram.

Correct answer: 5 carat = 0.001 kilogram.

More mass conversions