Dram to Pennyweight Converter
Convert Dram (dr) to Pennyweight (dwt) instantly. 1 dr = 1.139323 dwt.
Mass Converter
26 units available
1 dr = 1.139323 dwt
Formula:
dwt = dr × 1.1393229167With your value: 1 dr = 1.13932292 dwt
How big is that?
Everyday references on a logarithmic scale, all expressed in dram so you can sanity-check the result.
Other Dram to Pennyweight conversions
Dram to Pennyweight Conversion Table
| Dram (dr) | Pennyweight (dwt) |
|---|---|
| 0.5 | 0.569661 |
| 1 | 1.139323 |
| 2 | 2.278646 |
| 5 | 5.696615 |
| 10 | 11.393229 |
| 15 | 17.089844 |
| 20 | 22.786458 |
| 25 | 28.483073 |
| 50 | 56.966146 |
| 100 | 113.932292 |
| 250 | 284.830729 |
| 500 | 569.661458 |
| 1000 | 1,139.322917 |
Pennyweight to Dram Conversion Table
| Pennyweight (dwt) | Dram (dr) |
|---|---|
| 0.5 | 0.438857 |
| 1 | 0.877714 |
| 2 | 1.755429 |
| 5 | 4.388571 |
| 10 | 8.777143 |
| 15 | 13.165714 |
| 20 | 17.554286 |
| 25 | 21.942857 |
| 50 | 43.885714 |
| 100 | 87.771429 |
| 250 | 219.428571 |
| 500 | 438.857143 |
| 1000 | 877.714286 |
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.
Dram (dr)
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 Dram to Pennyweight
To convert from Dram (dr) to Pennyweight (dwt), multiply the value by 1.1393229167.
Formula: dwt = dr × 1.1393229167
Reverse: dr = dwt × 0.8777142857
Step-by-Step Example
- Start with your value in Dram. For example: 5 dr
- Multiply by the conversion factor: 5 x 1.1393229167
- The result is: 5.696615 dwt
About Dram
The dram (dr) is a unit of mass and weight. One dram equals 0.001771845195 kilograms. UnitConvertLab converts it against every other mass unit using this exact definition, so results are reproducible to full double precision rather than rounded lookup tables.
Common uses: mass calculations, engineering and science, education.
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 Dram?
There are exactly 1.1393229167 Pennyweight in 1 Dram. This means the conversion factor from Dram to Pennyweight is 1.1393229167.
What is the formula to convert Dram to Pennyweight?
The formula to convert Dram to Pennyweight is: dwt = dr × 1.1393229167. For example, to convert 10 Dram to Pennyweight, you would multiply 10 by 1.1393229167.
What is a Dram?
The dram (dr) is a unit of mass and weight. One dram equals 0.001771845195 kilograms. UnitConvertLab converts it against every other mass unit using this exact definition, so results are reproducible to full double precision rather than rounded lookup tables.
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 Dram?
The Dram is commonly used in mass calculations, engineering and science, education.
Related Mass Conversions
Cite this page
UnitConvertLab. (2026). Dram to Pennyweight converter. UnitConvertLab. Retrieved from https://unitconvertlab.com/convert/dram-to-pennyweight