Gram to Pennyweight Converter
Convert Gram (g) to Pennyweight (dwt) instantly. 1 g = 0.643015 dwt.
Mass Converter
26 units available
1 g = 0.643015 dwt
Formula:
dwt = g × 0.6430149314With your value: 1 g = 0.64301493 dwt
How big is that?
Everyday references on a logarithmic scale, all expressed in gram so you can sanity-check the result.
Other Gram to Pennyweight conversions
Gram to Pennyweight Conversion Table
| Gram (g) | Pennyweight (dwt) |
|---|---|
| 0.5 | 0.321507 |
| 1 | 0.643015 |
| 2 | 1.28603 |
| 5 | 3.215075 |
| 10 | 6.430149 |
| 15 | 9.645224 |
| 20 | 12.860299 |
| 25 | 16.075373 |
| 50 | 32.150747 |
| 100 | 64.301493 |
| 250 | 160.753733 |
| 500 | 321.507466 |
| 1000 | 643.014931 |
Pennyweight to Gram Conversion Table
| Pennyweight (dwt) | Gram (g) |
|---|---|
| 0.5 | 0.777587 |
| 1 | 1.555174 |
| 2 | 3.110348 |
| 5 | 7.775869 |
| 10 | 15.551738 |
| 15 | 23.327608 |
| 20 | 31.103477 |
| 25 | 38.879346 |
| 50 | 77.758692 |
| 100 | 155.517384 |
| 250 | 388.79346 |
| 500 | 777.58692 |
| 1000 | 1,555.17384 |
Where these values come from
Every factor on this page is traced to the document that defines it. See the full provenance dataset or our methodology.
Gram (g)
Mass
Traceable to the kilogram, defined by fixing the Planck constant at 6.626 070 15 × 10⁻³⁴ J·s. Avoirdupois masses derive from the 1959 international pound (0.453 592 37 kg exactly).
Source: BIPM, The International System of Units (SI), 9th edition, 2019 (updated 2024)
Bureau International des Poids et Mesures · Reviewed 2026-07-01
Pennyweight (dwt)
Mass
Traceable to the kilogram, defined by fixing the Planck constant at 6.626 070 15 × 10⁻³⁴ J·s. Avoirdupois masses derive from the 1959 international pound (0.453 592 37 kg exactly).
Source: BIPM, The International System of Units (SI), 9th edition, 2019 (updated 2024)
Bureau International des Poids et Mesures · Reviewed 2026-07-01
How to Convert Gram to Pennyweight
To convert from Gram (g) to Pennyweight (dwt), multiply the value by 0.6430149314.
Formula: dwt = g × 0.6430149314
Reverse: g = dwt × 1.55517384
Step-by-Step Example
- Start with your value in Gram. For example: 5 g
- Multiply by the conversion factor: 5 x 0.6430149314
- The result is: 3.215075 dwt
About Gram
The gram equals one thousandth of a kilogram. It is commonly used for measuring food, ingredients, and small items.
Common uses: cooking, nutrition labels, jewelry.
About Pennyweight
The pennyweight (dwt) equals 1/20 of a troy ounce, about 1.555 grams. Jewellers still price scrap gold by the pennyweight.
Common uses: jewellery trade, gold scrap, assaying.
Frequently Asked Questions
How many Pennyweight are in 1 Gram?
There are exactly 0.6430149314 Pennyweight in 1 Gram. This means the conversion factor from Gram to Pennyweight is 0.6430149314.
What is the formula to convert Gram to Pennyweight?
The formula to convert Gram to Pennyweight is: dwt = g × 0.6430149314. For example, to convert 10 Gram to Pennyweight, you would multiply 10 by 0.6430149314.
What is a Gram?
The gram equals one thousandth of a kilogram. It is commonly used for measuring food, ingredients, and small items.
What is a Pennyweight?
The pennyweight (dwt) equals 1/20 of a troy ounce, about 1.555 grams. Jewellers still price scrap gold by the pennyweight.
What are the common uses of Gram?
The Gram is commonly used in cooking, nutrition labels, jewelry.
Related Mass Conversions
Cite this page
UnitConvertLab. (2026). Gram to Pennyweight converter. UnitConvertLab. Retrieved from https://unitconvertlab.com/convert/gram-to-pennyweight