Pound per Cup (lb/cup) expresses mass in pound per unit volume in cup, found by dividing a mass value by a volume value.
Pound per Cup to Slug per Cubic foot
Convert pound per cup (lb/cup) to slug per cubic foot (slug/ft3) instantly with formula, conversion table, and FAQ.
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Convert pound per cup (lb/cup) to slug per cubic foot (slug/ft3) instantly with formula, conversion table, and FAQ.
Context values
Some unit families need one extra value for a physically accurate result.
Slug per Cubic foot (slug/ft3) expresses mass in slug per unit volume in cubic foot, found by dividing a mass value by a volume value.
slug/ft3 = lb/cup × 3.720026
Results update instantly for Pound per Cup to Slug per Cubic foot conversions.
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Formula
slug/ft3 = lb/cup × 3.720026
lb/cup = slug/ft3 × 0.268815
Conversion table
| 1 lb/cup | 3.720026 slug/ft3 |
| 5 lb/cup | 18.600132 slug/ft3 |
| 10 lb/cup | 37.200265 slug/ft3 |
| 20 lb/cup | 74.400529 slug/ft3 |
| 50 lb/cup | 186.001323 slug/ft3 |
| 100 lb/cup | 372.002645 slug/ft3 |
| 500 lb/cup | 1860.013226 slug/ft3 |
| 1000 lb/cup | 3720.026452 slug/ft3 |
Related conversions
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How the formula works
Both pound per cup and slug per cubic foot measure the same physical quantity (mass per unit volume), so converting between them is a single multiplication. Multiply a value in pound per cup by 3.720026 to get slug per cubic foot. To reverse the conversion, multiply a slug per cubic foot value by 0.268815 to get back to pound per cup.
Frequently asked questions
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.
What is Slug per Cubic foot (slug/ft3)?
Slug per Cubic foot (slug/ft3) expresses mass in slug per unit volume in cubic foot, found by dividing a mass value by a volume value.
How do I convert pound per cup to slug per cubic foot?
Multiply the pound per cup value by 3.720026 to get the equivalent in slug per cubic foot. For example, 5 lb/cup × 3.720026 = 18.600132 slug/ft3.
Is this conversion exact?
Yes. Both units are defined using fixed metric and imperial conversion constants, so the factor 3.720026 is an exact, non-rounded value.
Can I convert slug per cubic foot back to pound per cup?
Yes. Divide the slug per cubic foot value by 3.720026, or multiply it by 0.268815, to get pound per cup.
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About converting pound per cup to slug per cubic foot
Pound per Cup (lb/cup) expresses mass in pound per unit volume in cup, found by dividing a mass value by a volume value. Slug per Cubic foot (slug/ft3) expresses mass in slug per unit volume in cubic foot, found by dividing a mass value by a volume value.
Use this calculator to move between pound per cup and slug per cubic foot accurately for science, engineering, manufacturing, or everyday density calculations. The Universal Converter uses exact unit factors, so results stay consistent across the site.