Density and Mass
drtooz
Convert drams (avoirdupois) (dr) to ounces (avoirdupois) (oz).
Factor1 dr = 0.0625 oz
Converter
dr
Accepts numbers or expressions, e.g. 150 + 14.7
Result
oz
Rendered to 6 significant figures.
Formula
Formula
oz = dr × 0.0625
Multiply any value in drams (avoirdupois) by 0.0625 to obtain the value in ounces (avoirdupois).
Worked example
Convert 16 dr to oz.
- 01Start with 16 dr.
- 02Multiply by the conversion factor: 16 × 0.0625 = 1 oz.
Result16 dr = 1 oz
Conversion table
| dr | oz |
|---|---|
| 1 | 0.0625 |
| 2 | 0.125 |
| 5 | 0.3125 |
| 10 | 0.625 |
| 20 | 1.25 |
| 50 | 3.125 |
| 100 | 6.25 |
| 200 | 12.5 |
| 500 | 31.25 |
| 1000 | 62.5 |
Reference values rounded to 5 significant figures for display.
FAQ
What is the conversion factor from dr to oz?
1 dr equals 0.0625 oz. To convert, multiply the value in drams (avoirdupois) by 0.0625.
How do I convert 1 dr to oz?
1 dr = 0.0625 oz. For any value, multiply by 0.0625.
How do I convert oz back to dr?
Divide by the same factor — or equivalently, multiply by 16. So 1 oz = 16 dr.
When would I need to convert dram (avoirdupois) to ounce (avoirdupois)?
Mass conversions appear in material balances, reagent dosing, and reconciling vendor specifications across imperial/metric systems.
Is the conversion exact?
The factor shown is precise to at least 7 significant figures. For most process-engineering work this is far better than instrument accuracy. For metrology or trade applications, refer to the relevant national standard (NIST, BIPM, ISO 80000).