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Convert pennyweight to carat

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

- scroll: formula · table · questions -

  • 1 dwt = 7.775869 ct
  • 1 ct = 0.128603 dwt

Pennyweight to carat conversion table

pennyweight carat
1 7.775869
2 15.551738
5 38.879346
10 77.758692
20 155.517384
50 388.79346
100 777.58692

Pennyweight to carat formula

To convert pennyweight to carat, multiply by 7.775869.

1 dwt = 7.775869 ct
Example: 1 pennyweight = 7.775869 carat

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 pennyweight and carat conversion quiz

Score: 0

224 carat equals 33.1 pennyweight.

Correct answer: 224 carat = 28.8 pennyweight.

11.4 carat equals 1.69 pennyweight.

Correct answer: 11.4 carat = 1.47 pennyweight.

9.4 pennyweight equals 73.1 carat.

Correct answer: 9.4 pennyweight = 73.1 carat.

18.7 pennyweight equals 145 carat.

Correct answer: 18.7 pennyweight = 145 carat.

More mass conversions