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