Ounce per Cup (oz/cup) expresses mass in ounce per unit volume in cup, found by dividing a mass value by a volume value.
Ounce per Cup to Dram per Gallon
Convert ounce per cup (oz/cup) to dram per gallon (dr/gal) instantly with formula, conversion table, and FAQ.
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Convert ounce per cup (oz/cup) to dram per gallon (dr/gal) instantly with formula, conversion table, and FAQ.
Context values
Some unit families need one extra value for a physically accurate result.
Dram per Gallon (dr/gal) expresses mass in dram per unit volume in gallon, found by dividing a mass value by a volume value.
dr/gal = oz/cup × 256
Results update instantly for Ounce per Cup to Dram per Gallon conversions.
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Formula
dr/gal = oz/cup × 256
oz/cup = dr/gal × 0.003906
Conversion table
| 1 oz/cup | 256 dr/gal |
| 5 oz/cup | 1280 dr/gal |
| 10 oz/cup | 2560 dr/gal |
| 20 oz/cup | 5120 dr/gal |
| 50 oz/cup | 12800 dr/gal |
| 100 oz/cup | 25600 dr/gal |
| 500 oz/cup | 128000 dr/gal |
| 1000 oz/cup | 256000 dr/gal |
Related conversions
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How the formula works
Both ounce per cup and dram per gallon measure the same physical quantity (mass per unit volume), so converting between them is a single multiplication. Multiply a value in ounce per cup by 256 to get dram per gallon. To reverse the conversion, multiply a dram per gallon value by 0.003906 to get back to ounce per cup.
Frequently asked questions
What is Ounce per Cup (oz/cup)?
Ounce per Cup (oz/cup) expresses mass in ounce per unit volume in cup, found by dividing a mass value by a volume value.
What is Dram per Gallon (dr/gal)?
Dram per Gallon (dr/gal) expresses mass in dram per unit volume in gallon, found by dividing a mass value by a volume value.
How do I convert ounce per cup to dram per gallon?
Multiply the ounce per cup value by 256 to get the equivalent in dram per gallon. For example, 5 oz/cup × 256 = 1280 dr/gal.
Is this conversion exact?
Yes. Both units are defined using fixed metric and imperial conversion constants, so the factor 256 is an exact, non-rounded value.
Can I convert dram per gallon back to ounce per cup?
Yes. Divide the dram per gallon value by 256, or multiply it by 0.003906, to get ounce per cup.
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About converting ounce per cup to dram per gallon
Ounce per Cup (oz/cup) expresses mass in ounce per unit volume in cup, found by dividing a mass value by a volume value. Dram per Gallon (dr/gal) expresses mass in dram per unit volume in gallon, found by dividing a mass value by a volume value.
Use this calculator to move between ounce per cup and dram per gallon accurately for science, engineering, manufacturing, or everyday density calculations. The Universal Converter uses exact unit factors, so results stay consistent across the site.