Pennyweights to Grams (dwt to g) Converter
1 Pennyweight equals 1.5552 Grams (1 dwt = 1.5552 g). Convert Pennyweights to Grams with formula, table, and examples.
One pennyweight equals approximately 1.555 grams. This conversion is one of the most frequently used in the precious metals industry, as it bridges the traditional North American pennyweight with the internationally standard gram. Jewelers, gold buyers, and refiners perform this conversion daily when translating between American troy notation and the metric weights used in global markets.
How to Convert Pennyweights to Grams
- Take your value in Pennyweights
- Multiply by 1.55517384
- Read the result in Grams
Common Pennyweights to Grams Conversions
| Pennyweights (dwt) | Grams (g) | Status |
|---|---|---|
| 0.5 dwt | 0.7776 g | |
| 1 dwt | 1.5552 g | |
| 2 dwt | 3.1103 g | |
| 5 dwt | 7.7759 g | |
| 10 dwt | 15.5517 g | |
| 20 dwt | 31.1035 g | |
| 50 dwt | 77.7587 g | |
| 100 dwt | 155.5174 g | |
| 200 dwt | 311.0348 g | |
| 240 dwt | 373.2417 g | |
| 500 dwt | 777.5869 g | |
| 1,000 dwt | 1,555.1738 g | |
| 5,000 dwt | 7,775.8692 g |
Good to Know About Pennyweights to Grams Conversion
The pennyweight-to-gram conversion is the daily point of contact between two weight traditions that have coexisted for over two centuries. When the metric system was introduced in the late 18th century, precious metals traders resisted adoption far longer than other industries because the troy system was embedded in centuries of pricing records, contracts, and mint specifications. The gram eventually won in international markets, but the pennyweight held its ground in American jewelry shops.
Pennyweights to Grams: What You Need to Know
Online gold calculators prominently feature the pennyweight-to-gram conversion because retail gold buyers in the US quote in pennyweights while international spot prices are given per gram or per troy ounce. Dental laboratories convert gold alloy weights from pennyweights to grams when ordering from European suppliers. Jewelry designers working with CAD software enter measurements in grams but receive raw materials priced in pennyweights.
What is a Pennyweight? dwt
A pennyweight is a unit of mass equal to 24 grains or 1/20 of a troy ounce (1.55517384 grams). Used in the jewelry trade for weighing precious metals.
Learn more about Pennyweight →What is a Gram? g
A metric unit of mass equal to one thousandth of a kilogram. Widely used in cooking, nutrition labeling, and science.
Learn more about Gram →Going the other way? Use our Grams to Pennyweights converter.
Pennyweights to Grams FAQ
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One pennyweight equals approximately 1.55517 grams. This is derived from the troy ounce being exactly 31.1035 grams, divided by 20 pennyweights per troy ounce.
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Multiply the number of pennyweights by 1.555. For example, 10 pennyweights equals about 15.55 grams. For a quick mental estimate, each pennyweight is roughly one and a half grams.
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Tradition and established business practices keep the pennyweight alive in American jewelry. Price lists, scale settings, and trade terminology have been denominated in pennyweights for generations. Switching entirely to grams would require retraining an industry and reprinting decades of reference materials. Inertia is a powerful force in commercial conventions.
Non-Frequently Asked Questions About Pennyweights to Grams
Questions nobody should ask - but someone did.
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You consumed approximately 1.555 grams of gold, which is inert and will pass through your digestive system without being absorbed. Gold leaf is actually an approved food additive in many countries (E175 in Europe), so your 1.555-gram snack is technically legal, though unlikely to satisfy your hunger or improve your nutrition.
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It is only awkward from a metric perspective. Within the troy system, the pennyweight is a beautifully clean fraction: exactly 1/20 of a troy ounce and exactly 24 grains. The 1.555-gram equivalent is simply what happens when you translate a system built on 12s and 20s into one built on 10s. Both systems are internally elegant; the awkwardness lives in the translation.
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Gold leaf is beaten extraordinarily thin, about 0.1 micrometers. One pennyweight (1.555 grams) of gold could theoretically cover about 0.8 square meters of surface, which would gild a modest bathroom mirror but fall well short of an entire bathroom. For that, you would need considerably more pennyweights and a patient gilder.
Related Articles About Pennyweights to Grams
Need the reverse? Use our Grams to Pennyweights converter. See all Weight & Mass converters.