Carats to Pennyweights (ct to dwt) conversion calculator

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1ct = 0.1286dwt

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Note: You can increase or decrease the accuracy of this answer by selecting the number of significant figures required from the options above the result.

Carats to Pennyweights conversion formula

Carats to Pennyweights conversion formula

Pennyweights = Carats / 7.77586897

1 Carats to Pennyweights calculation

Pennyweights = Carats / 7.77586897

Pennyweights = 1 / 7.7758692

Pennyweights = 0.1286

Pennyweights to Carats (Swap units)

What is a carat?

A metric carat is 200 milligrams (0.2 grams), the unit gemstones and pearls are weighed in. Karat with a K, which measures gold purity, is a different thing.

What are pennyweights?

Pennyweights are a unit of measurement commonly used in the jewelry industry to measure the weight of precious metals such as gold and silver.

A pennyweight is 1/20th of a troy ounce, which is 1.55517 grams. Jewelers still use it for small amounts of gold and silver.

To get grams from pennyweights multiply by 1.555 – 10 pennyweights is about 15.55g. The abbreviation dwt comes from d for denarius, the old penny.

 

 

Carats to Pennyweights table

Starting value
Increment
Accuracy
Carats
Pennyweights
0ct
0.00000dwt
1ct
0.12860dwt
2ct
0.25721dwt
3ct
0.38581dwt
4ct
0.51441dwt
5ct
0.64301dwt
6ct
0.77162dwt
7ct
0.90022dwt
8ct
1.02882dwt
9ct
1.15743dwt
10ct
1.28603dwt
11ct
1.41463dwt
12ct
1.54324dwt
13ct
1.67184dwt
14ct
1.80044dwt
15ct
1.92904dwt
16ct
2.05765dwt
17ct
2.18625dwt
18ct
2.31485dwt
19ct
2.44346dwt
Carats
Pennyweights
20ct
2.57206dwt
21ct
2.70066dwt
22ct
2.82927dwt
23ct
2.95787dwt
24ct
3.08647dwt
25ct
3.21507dwt
26ct
3.34368dwt
27ct
3.47228dwt
28ct
3.60088dwt
29ct
3.72949dwt
30ct
3.85809dwt
31ct
3.98669dwt
32ct
4.11530dwt
33ct
4.24390dwt
34ct
4.37250dwt
35ct
4.50110dwt
36ct
4.62971dwt
37ct
4.75831dwt
38ct
4.88691dwt
39ct
5.01552dwt
Carats
Pennyweights
40ct
5.14412dwt
41ct
5.27272dwt
42ct
5.40133dwt
43ct
5.52993dwt
44ct
5.65853dwt
45ct
5.78713dwt
46ct
5.91574dwt
47ct
6.04434dwt
48ct
6.17294dwt
49ct
6.30155dwt
50ct
6.43015dwt
51ct
6.55875dwt
52ct
6.68736dwt
53ct
6.81596dwt
54ct
6.94456dwt
55ct
7.07316dwt
56ct
7.20177dwt
57ct
7.33037dwt
58ct
7.45897dwt
59ct
7.58758dwt
Carats
Pennyweights
60ct
7.71618dwt
61ct
7.84478dwt
62ct
7.97339dwt
63ct
8.10199dwt
64ct
8.23059dwt
65ct
8.35919dwt
66ct
8.48780dwt
67ct
8.61640dwt
68ct
8.74500dwt
69ct
8.87361dwt
70ct
9.00221dwt
71ct
9.13081dwt
72ct
9.25942dwt
73ct
9.38802dwt
74ct
9.51662dwt
75ct
9.64522dwt
76ct
9.77383dwt
77ct
9.90243dwt
78ct
10.03103dwt
79ct
10.15964dwt