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 Pound per Cup
Convert pound per fluid ounce (lb/fl oz) to pound per cup (lb/cup) instantly with formula, conversion table, and FAQ.
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Convert pound per fluid ounce (lb/fl oz) to pound per cup (lb/cup) instantly with formula, conversion table, and FAQ.
Context values
Some unit families need one extra value for a physically accurate result.
Pound per Cup (lb/cup) expresses mass in pound per unit volume in cup, found by dividing a mass value by a volume value.
lb/cup = lb/fl oz × 8
Results update instantly for Pound per Fluid ounce to Pound per Cup conversions.
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Formula
lb/cup = lb/fl oz × 8
lb/fl oz = lb/cup × 0.125
Conversion table
| 1 lb/fl oz | 8 lb/cup |
| 5 lb/fl oz | 40 lb/cup |
| 10 lb/fl oz | 80 lb/cup |
| 20 lb/fl oz | 160 lb/cup |
| 50 lb/fl oz | 400 lb/cup |
| 100 lb/fl oz | 800 lb/cup |
| 500 lb/fl oz | 4000 lb/cup |
| 1000 lb/fl oz | 8000 lb/cup |
Related conversions
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How the formula works
Both pound per fluid ounce and pound 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 8 to get pound per cup. To reverse the conversion, multiply a pound per cup value by 0.125 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 Pound per Cup (lb/cup)?
Pound per Cup (lb/cup) expresses mass in pound per unit volume in cup, found by dividing a mass value by a volume value.
How do I convert pound per fluid ounce to pound per cup?
Multiply the pound per fluid ounce value by 8 to get the equivalent in pound per cup. For example, 5 lb/fl oz × 8 = 40 lb/cup.
Is this conversion exact?
Yes. Both units are defined using fixed metric and imperial conversion constants, so the factor 8 is an exact, non-rounded value.
Can I convert pound per cup back to pound per fluid ounce?
Yes. Divide the pound per cup value by 8, or multiply it by 0.125, to get pound per fluid ounce.
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About converting pound per fluid ounce to pound 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. Pound per Cup (lb/cup) expresses mass in pound 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 pound 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.