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Convert carat to uns

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

- scroll: formula · table · questions -

  • 1 ct = 0.007168 uns
  • 1 uns = 139.5 ct

Carat to uns conversion table

carat uns
1 0.007168
2 0.014337
5 0.035842
10 0.071685
20 0.143369
50 0.358423
100 0.716846

Carat to uns formula

To convert carat to uns, multiply by 0.007168.

1 ct = 0.007168 uns
Example: 1 carat = 0.007168 uns

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 uns conversion quiz

Score: 0

115 uns equals 1.6e+4 carat.

Correct answer: 115 uns = 1.6e+4 carat.

184 carat equals 1.32 uns.

Correct answer: 184 carat = 1.32 uns.

77 uns equals 1.61e+4 carat.

Correct answer: 77 uns = 1.07e+4 carat.

14.2 carat equals 0.153 uns.

Correct answer: 14.2 carat = 0.102 uns.

12 uns equals 1.67e+3 carat.

Correct answer: 12 uns = 1.67e+3 carat.

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