Dram to Troy Ounce Converter
Convert Dram (dr) to Troy Ounce (oz t) instantly. 1 dr = 0.056966 oz t.
Mass Converter
26 units available
1 dr = 0.056966 oz t
Formula:
oz t = dr × 0.0569661458With your value: 1 dr = 0.05696615 oz t
How big is that?
Everyday references on a logarithmic scale, all expressed in dram so you can sanity-check the result.
Other Dram to Troy Ounce conversions
Dram to Troy Ounce Conversion Table
| Dram (dr) | Troy Ounce (oz t) |
|---|---|
| 0.5 | 0.028483 |
| 1 | 0.056966 |
| 2 | 0.113932 |
| 5 | 0.284831 |
| 10 | 0.569661 |
| 15 | 0.854492 |
| 20 | 1.139323 |
| 25 | 1.424154 |
| 50 | 2.848307 |
| 100 | 5.696615 |
| 250 | 14.241536 |
| 500 | 28.483073 |
| 1000 | 56.966146 |
Troy Ounce to Dram Conversion Table
| Troy Ounce (oz t) | Dram (dr) |
|---|---|
| 0.5 | 8.777143 |
| 1 | 17.554286 |
| 2 | 35.108571 |
| 5 | 87.771429 |
| 10 | 175.542857 |
| 15 | 263.314286 |
| 20 | 351.085714 |
| 25 | 438.857143 |
| 50 | 877.714286 |
| 100 | 1,755.428571 |
| 250 | 4,388.571429 |
| 500 | 8,777.142857 |
| 1000 | 17,554.285714 |
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
Troy Ounce (oz t)
Mass
1 troy ounce = 480 grains = 0.031 103 476 8 kg exactly. Used for precious metals only.
National Institute of Standards and Technology (US) · Reviewed 2026-07-01
How to Convert Dram to Troy Ounce
To convert from Dram (dr) to Troy Ounce (oz t), multiply the value by 0.0569661458.
Formula: oz t = dr × 0.0569661458
Reverse: dr = oz t × 17.5542857143
Step-by-Step Example
- Start with your value in Dram. For example: 5 dr
- Multiply by the conversion factor: 5 x 0.0569661458
- The result is: 0.284831 oz t
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 Troy Ounce
The troy ounce equals approximately 31.1 grams and is used for weighing precious metals like gold, silver, and platinum.
Common uses: gold trading, silver markets, precious metals.
Frequently Asked Questions
How many Troy Ounce are in 1 Dram?
There are exactly 0.0569661458 Troy Ounce in 1 Dram. This means the conversion factor from Dram to Troy Ounce is 0.0569661458.
What is the formula to convert Dram to Troy Ounce?
The formula to convert Dram to Troy Ounce is: oz t = dr × 0.0569661458. For example, to convert 10 Dram to Troy Ounce, you would multiply 10 by 0.0569661458.
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 Troy Ounce?
The troy ounce equals approximately 31.1 grams and is used for weighing precious metals like gold, silver, and platinum.
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 Troy Ounce converter. UnitConvertLab. Retrieved from https://unitconvertlab.com/convert/dram-to-troy_ounce