Dram to Ounce Converter
Convert Dram (dr) to Ounce (oz) instantly. 1 dr = 0.0625 oz.
Mass Converter
26 units available
1 dr = 0.0625 oz
Formula:
oz = dr × 0.0625With your value: 1 dr = 0.0625 oz
How big is that?
Everyday references on a logarithmic scale, all expressed in dram so you can sanity-check the result.
Other Dram to Ounce conversions
Dram to Ounce Conversion Table
| Dram (dr) | Ounce (oz) |
|---|---|
| 0.5 | 0.03125 |
| 1 | 0.0625 |
| 2 | 0.125 |
| 5 | 0.3125 |
| 10 | 0.625 |
| 15 | 0.9375 |
| 20 | 1.25 |
| 25 | 1.5625 |
| 50 | 3.125 |
| 100 | 6.25 |
| 250 | 15.625 |
| 500 | 31.25 |
| 1000 | 62.5 |
Ounce to Dram Conversion Table
| Ounce (oz) | Dram (dr) |
|---|---|
| 0.5 | 8 |
| 1 | 16 |
| 2 | 32 |
| 5 | 80 |
| 10 | 160 |
| 15 | 240 |
| 20 | 320 |
| 25 | 400 |
| 50 | 800 |
| 100 | 1,600 |
| 250 | 4,000 |
| 500 | 8,000 |
| 1000 | 16,000 |
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
Ounce (oz)
Mass
1 avoirdupois ounce = 1/16 lb = 0.028 349 523 125 kg exactly.
Source: International Yard and Pound Agreement of 1959; NIST Federal Register Notice 59-5442
US, UK, Canada, Australia, New Zealand, South Africa · Reviewed 2026-07-01
How to Convert Dram to Ounce
To convert from Dram (dr) to Ounce (oz), multiply the value by 0.0625.
Formula: oz = dr × 0.0625
Reverse: dr = oz × 16
Step-by-Step Example
- Start with your value in Dram. For example: 5 dr
- Multiply by the conversion factor: 5 x 0.0625
- The result is: 0.3125 oz
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 Ounce
The ounce (oz) equals 1/16 of a pound or approximately 28.35 grams. It is used for food portions and small weight measurements.
Common uses: food portions, postal mail, precious metals.
Frequently Asked Questions
How many Ounce are in 1 Dram?
There are exactly 0.0625 Ounce in 1 Dram. This means the conversion factor from Dram to Ounce is 0.0625.
What is the formula to convert Dram to Ounce?
The formula to convert Dram to Ounce is: oz = dr × 0.0625. For example, to convert 10 Dram to Ounce, you would multiply 10 by 0.0625.
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 Ounce?
The ounce (oz) equals 1/16 of a pound or approximately 28.35 grams. It is used for food portions and small weight measurements.
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 Ounce converter. UnitConvertLab. Retrieved from https://unitconvertlab.com/convert/dram-to-ounce