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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

Formula to convert carat to uns

To convert carat to uns, multiply by 0.007168.

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

Common mistakes in mass conversion

  • 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 to/from uns conversion quiz

Score: 0

140 carat equals 0.502 uns.

Correct answer: 140 carat = 1 uns.

16.4 uns equals 2.29e+3 carat.

Correct answer: 16.4 uns = 2.29e+3 carat.

16.2 uns equals 2.26e+3 carat.

Correct answer: 16.2 uns = 2.26e+3 carat.

11.9 carat equals 0.0512 uns.

Correct answer: 11.9 carat = 0.0853 uns.

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