Ounce to Dram Converter.
The avoirdupois ounce - standard for US food labels, recipes, and postal weights. Converting to drams: One sixteenth of an avoirdupois ounce - used in pharmacy and historical recipes. One ounce equals 16 dr.
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Conversion formula
Multiply the ounce value by 16 to get drams. (factor: 16)
1 oz = 16 dr
Quick reference table
| oz | dr |
|---|---|
| 1 oz | 16 dr |
| 2 oz | 32 dr |
| 5 oz | 80 dr |
| 10 oz | 160 dr |
| 25 oz | 400 dr |
| 50 oz | 800 dr |
| 100 oz | 1,600 dr |
| 250 oz | 4,000 dr |
Need the reverse? Try ourDram to Ounce.
Ounce to Dram FAQ
How many drams are in one ounce?
One ounce equals 16 dr. Multiply by 16 to convert any value.
How do you convert oz to dr?
Multiply the ounce value by 16 to get drams.
When would you use ounces vs drams?
The avoirdupois ounce - standard for US food labels, recipes, and postal weights. One sixteenth of an avoirdupois ounce - used in pharmacy and historical recipes.