⚖️ Pennyweights to Grams Converter

5.0 out of 5 (1 rating)

Enter details

1 pennyweight =
1.55517 grams
1 gram =
0.643015 pennyweights
Formula
g = dwt × 1.55517
Handy values
5 dwt = 7.77587 g · 10 dwt = 15.5517 g · 100 dwt = 155.517 g

Rate this calculator

Was it useful? A quick star rating helps others — and you can leave a comment too.
Rate it: ★ ★ ★ ★ ★

⚡ Pennyweights to Grams: the quick answer

1 dwt = 1.55517 g 1 pennyweight equals 1.55517 grams

To convert pennyweights to grams, multiply the value by 1.55517. To go the other way, multiply grams by 0.643015 to get pennyweights.

↔ Convert grams to pennyweights instead

🧮 Formula

Pennyweights to Grams
g = dwt × 1.55517
Grams to Pennyweights
dwt = g × 0.643015

Where

  • dwt = the weight in pennyweights
  • g = the weight in grams
Every unit here is defined by its weight in kilograms, so the conversion factor is (kilograms per pennyweight) ÷ (kilograms per gram).

📊 Pennyweights to Grams conversion table

Pennyweights (dwt)Grams (g)
1 dwt1.55517 g
2 dwt3.11035 g
3 dwt4.66552 g
4 dwt6.2207 g
5 dwt7.77587 g
6 dwt9.33104 g
7 dwt10.8862 g
8 dwt12.4414 g
9 dwt13.9966 g
10 dwt15.5517 g
12 dwt18.6621 g
14 dwt21.7724 g
15 dwt23.3276 g
20 dwt31.1035 g
21 dwt32.6587 g
24 dwt37.3242 g
25 dwt38.8793 g
30 dwt46.6552 g
40 dwt62.207 g
50 dwt77.7587 g
60 dwt93.3104 g
75 dwt116.638 g
80 dwt124.414 g
100 dwt155.517 g
200 dwt311.035 g
250 dwt388.793 g
300 dwt466.552 g
400 dwt622.07 g
500 dwt777.587 g
750 dwt1,166.38 g
1,000 dwt1,555.17 g

📘 About these units

Pennyweight (dwt). A pennyweight is 1/20 of a troy ounce (1.555 g), used by jewellers.

Gram (g). The gram is one thousandth of a kilogram, the everyday unit for food, gold and small items.

❓ Frequently asked questions

How many grams are in one pennyweight?

There are 1.55517 grams in one pennyweight.

How do I convert pennyweights to grams?

Multiply the number of pennyweights by 1.55517. For example, 10 pennyweights equal 15.5517 grams.

How many pennyweights are in one gram?

One gram equals 0.643015 pennyweights.

How many grams is 12 pennyweights?

18.6621 grams. Other common values: 5 pennyweights = 7.77587 grams and 100 pennyweights = 155.517 grams.

What people are saying
★★★★★
Anonymous · 22 Oct 2026