An avoirdupois ounce is 1/16 pound.
Ounces to Drams
Convert ounces (oz) to drams (dr) instantly. Free online weight converter with formulas, tables and examples.
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An avoirdupois dram is 1/16 ounce.
dr = oz × 16
Results update instantly for Ounces to Drams conversions.
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Formula
dr = oz × 16
oz = dr ÷ 16
Conversion table
| 1 oz | 16.000000 dr |
| 5 oz | 80.000000 dr |
| 10 oz | 160.000000 dr |
| 20 oz | 320.000000 dr |
| 50 oz | 800.000000 dr |
| 100 oz | 1600.000000 dr |
| 500 oz | 8000.000000 dr |
| 1000 oz | 16000.000000 dr |
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Frequently asked questions
What is the source unit in this conversion?
The source unit is the ounce (oz). An avoirdupois ounce is 1/16 pound.
What is the destination unit in this conversion?
The destination unit is the dram (dr). An avoirdupois dram is 1/16 ounce.
How do I convert ounces to drams?
Multiply the number of ounces by 16 to get the equivalent value in drams. For example, 5 oz × 16 = 80.000000 dr.
Is the ounce to dram conversion exact?
Yes. This converter uses a fixed factor of 16, so results are precise and consistent every time you use it.
Where is this conversion commonly used?
It's used in everyday measurement, shipping and logistics, scientific and industrial work, and any context where you need to switch between ounce and dram values.
Can I convert drams back to ounces?
Yes. Multiply the drams value by 0.0625, or divide it by 16, to convert back to ounces.
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About this conversion
This page converts ounces (oz) into drams (dr) using the Universal Converter's mass conversion engine.
Ounce-to-Dram conversions are useful for everyday calculations, scientific work, shipping, and any task that mixes different weight or mass units.
The formula is dr = oz × 16, based on the standard definitions of ounce and dram.
Because the conversion factor is fixed, results stay consistent and repeatable no matter how many times you calculate them.
Ounce: An avoirdupois ounce is 1/16 pound. Dram: An avoirdupois dram is 1/16 ounce.