Pound per Fluid ounce (lb/fl oz) expresses mass in pound per unit volume in fluid ounce, found by dividing a mass value by a volume value.
Pound per Fluid ounce to Ounce per Cup
Convert pound per fluid ounce (lb/fl oz) to ounce per cup (oz/cup) instantly with formula, conversion table, and FAQ.
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Convert pound per fluid ounce (lb/fl oz) to ounce per cup (oz/cup) instantly with formula, conversion table, and FAQ.
Context values
Some unit families need one extra value for a physically accurate result.
Ounce per Cup (oz/cup) expresses mass in ounce per unit volume in cup, found by dividing a mass value by a volume value.
oz/cup = lb/fl oz × 128
Results update instantly for Pound per Fluid ounce to Ounce per Cup conversions.
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Formula
oz/cup = lb/fl oz × 128
lb/fl oz = oz/cup × 0.007812
Conversion table
| 1 lb/fl oz | 128 oz/cup |
| 5 lb/fl oz | 640 oz/cup |
| 10 lb/fl oz | 1280 oz/cup |
| 20 lb/fl oz | 2560 oz/cup |
| 50 lb/fl oz | 6400 oz/cup |
| 100 lb/fl oz | 12800 oz/cup |
| 500 lb/fl oz | 64000 oz/cup |
| 1000 lb/fl oz | 128000 oz/cup |
Related conversions
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How the formula works
Both pound per fluid ounce and ounce per cup measure the same physical quantity (mass per unit volume), so converting between them is a single multiplication. Multiply a value in pound per fluid ounce by 128 to get ounce per cup. To reverse the conversion, multiply a ounce per cup value by 0.007812 to get back to pound per fluid ounce.
Frequently asked questions
What is Pound per Fluid ounce (lb/fl oz)?
Pound per Fluid ounce (lb/fl oz) expresses mass in pound per unit volume in fluid ounce, found by dividing a mass value by a volume value.
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.
How do I convert pound per fluid ounce to ounce per cup?
Multiply the pound per fluid ounce value by 128 to get the equivalent in ounce per cup. For example, 5 lb/fl oz × 128 = 640 oz/cup.
Is this conversion exact?
Yes. Both units are defined using fixed metric and imperial conversion constants, so the factor 128 is an exact, non-rounded value.
Can I convert ounce per cup back to pound per fluid ounce?
Yes. Divide the ounce per cup value by 128, or multiply it by 0.007812, to get pound per fluid ounce.
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About converting pound per fluid ounce to ounce per cup
Pound per Fluid ounce (lb/fl oz) expresses mass in pound per unit volume in fluid ounce, found by dividing a mass value by a volume value. Ounce per Cup (oz/cup) expresses mass in ounce per unit volume in cup, found by dividing a mass value by a volume value.
Use this calculator to move between pound per fluid ounce and ounce 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.