Pennyweight to Gram Conversion Calculator: Free Online Tool
Convert pennyweights to grams with our free online weight converter.
Pennyweight to Gram Calculator
How to Use the Calculator:
- Enter the value you want to convert in the 'From' field (Pennyweight).
- The converted value in Gram will appear automatically in the 'To' field.
- Use the dropdown menus to select different units within the Weight category.
- Click the swap button (⇌) to reverse the conversion direction.
How to Convert Pennyweight to Gram
Converting Pennyweight to Gram involves multiplying the value by a specific conversion factor, as shown in the formula below.
Formula:
1 Pennyweight = 1.55517 gramsExample Calculation:
Convert 5 pennyweights: 5 × 1.55517 = 7.77585 grams
Disclaimer: For Reference Only
These conversion results are provided for informational purposes only. While we strive for accuracy, we make no guarantees regarding the precision of these results, especially for conversions involving extremely large or small numbers which may be subject to the inherent limitations of standard computer floating-point arithmetic.
Not for professional use. Results should be verified before use in any critical application. View our Terms of Service for more information.
What is a Pennyweight and a Gram?
The pennyweight (dwt) is a unit of mass in the troy weight system. It is equal to 1/20 of a troy ounce, or 24 grains. It is equivalent to exactly 1.55517384 grams.
The gram is a unit of mass in the metric system. Originally defined as the mass of one cubic centimeter of water at its maximum density, it is now defined as 1/1000 of a kilogram.
Note: The Pennyweight is part of the imperial/US customary system, primarily used in the US, UK, and Canada for everyday measurements. The Gram belongs to the metric (SI) system.
History of the Pennyweight and Gram
Historically, the pennyweight was the weight of a silver penny in medieval England. It became part of the standardized troy system used for precious metals and coinage.
Introduced in France after the French Revolution as part of the metric system. It became a fundamental unit for scientific measurement.
Common Uses for pennyweights and grams
Explore the typical applications for both Pennyweight (imperial/US) and Gram (metric) to understand their common contexts.
Common Uses for pennyweights
- Jewelry: Used by jewelers and goldsmiths for measuring quantities of precious metals during crafting and valuation.
- Dentistry: Sometimes used for measuring dental alloys.
- Ammunition: Historically used for specifying the weight of components in ammunition.
Common Uses for grams
- Cooking & Baking: Standard unit worldwide for measuring dry ingredients like flour, sugar, spices, and non-liquid items like butter.
- Groceries: Used for labeling the net weight of many packaged food products (e.g., cereal boxes, canned goods, snacks).
- Science: Common unit for mass measurements in chemistry labs, biology, and physics experiments.
- Jewelry & Precious Metals: Often used to measure the weight of gold, silver, and gemstones.
- Postal Services: Used globally for determining the weight and cost of letters and small parcels.
Frequently Asked Questions
Questions About Pennyweight (dwt)
How many pennyweights are in a troy ounce?
There are 20 pennyweights (dwt) in 1 troy ounce (oz t).
How many grains are in a pennyweight?
There are 24 grains (gr) in 1 pennyweight (dwt).
How many grams are in a pennyweight?
There are exactly 1.55517384 grams (g) in 1 pennyweight (dwt).
About Gram (g)
Is the gram part of the metric system?
Yes, the gram (g) is a fundamental unit of mass in the metric system, equivalent to 1/1000 of a kilogram.
What is a gram commonly used for?
It's widely used for measuring small masses, especially in cooking, groceries, science labs, and for weighing precious metals.
How many grams are in a kilogram?
There are exactly 1000 grams (g) in 1 kilogram (kg).
Conversion Table: Pennyweight to Gram
| Pennyweight (dwt) | Gram (g) |
|---|---|
| 1 | 1.555 |
| 5 | 7.776 |
| 10 | 15.552 |
| 25 | 38.879 |
| 50 | 77.759 |
| 100 | 155.517 |
| 500 | 777.587 |
| 1,000 | 1,555.174 |
All Weight Conversions
Other Units from Weight
- Kilogram (kg)
- Milligram (mg)
- Pound (lb)
- Ounce (oz)
- Stone (st)
- Ton (metric) (t)
- Ton (US) (ton)
- Ton (UK) (long ton)
- Microgram (µg)
- Carat (ct)
- Slug (sl)
- Troy Ounce (oz t)
- Grain (gr)
- Dram (dr)
- Quintal (q)
- Atomic Mass Unit (u)
- Pavan (India) (pavan)
- Kati (India) (kati)
- Masha (India) (masha)
- Dina (India) (dina)
- Pras (India) (pras)
- Lota (India) (lota)