Pound per Cubic foot (lb/ft3) expresses mass in pound per unit volume in cubic foot, found by dividing a mass value by a volume value.
Pound per Cubic foot to Pound per Cup
Convert pound per cubic foot (lb/ft3) to pound per cup (lb/cup) instantly with formula, conversion table, and FAQ.
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Convert pound per cubic foot (lb/ft3) 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/ft3 × 0.008355
Results update instantly for Pound per Cubic foot to Pound per Cup conversions.
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Formula
lb/cup = lb/ft3 × 0.008355
lb/ft3 = lb/cup × 119.688312
Conversion table
| 1 lb/ft3 | 0.008355 lb/cup |
| 5 lb/ft3 | 0.041775 lb/cup |
| 10 lb/ft3 | 0.08355 lb/cup |
| 20 lb/ft3 | 0.167101 lb/cup |
| 50 lb/ft3 | 0.417752 lb/cup |
| 100 lb/ft3 | 0.835503 lb/cup |
| 500 lb/ft3 | 4.177517 lb/cup |
| 1000 lb/ft3 | 8.355035 lb/cup |
Related conversions
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How the formula works
Both pound per cubic foot 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 cubic foot by 0.008355 to get pound per cup. To reverse the conversion, multiply a pound per cup value by 119.688312 to get back to pound per cubic foot.
Frequently asked questions
What is Pound per Cubic foot (lb/ft3)?
Pound per Cubic foot (lb/ft3) expresses mass in pound per unit volume in cubic foot, 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 cubic foot to pound per cup?
Multiply the pound per cubic foot value by 0.008355 to get the equivalent in pound per cup. For example, 5 lb/ft3 × 0.008355 = 0.041775 lb/cup.
Is this conversion exact?
Yes. Both units are defined using fixed metric and imperial conversion constants, so the factor 0.008355 is an exact, non-rounded value.
Can I convert pound per cup back to pound per cubic foot?
Yes. Divide the pound per cup value by 0.008355, or multiply it by 119.688312, to get pound per cubic foot.
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About converting pound per cubic foot to pound per cup
Pound per Cubic foot (lb/ft3) expresses mass in pound per unit volume in cubic foot, 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 cubic foot 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.