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 Stone per Cubic foot
Convert pound per cup (lb/cup) to stone per cubic foot (st/ft3) instantly with formula, conversion table, and FAQ.
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Convert pound per cup (lb/cup) to stone per cubic foot (st/ft3) instantly with formula, conversion table, and FAQ.
Context values
Some unit families need one extra value for a physically accurate result.
Stone per Cubic foot (st/ft3) expresses mass in stone per unit volume in cubic foot, found by dividing a mass value by a volume value.
st/ft3 = lb/cup × 8.549165
Results update instantly for Pound per Cup to Stone per Cubic foot conversions.
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Formula
st/ft3 = lb/cup × 8.549165
lb/cup = st/ft3 × 0.11697
Conversion table
| 1 lb/cup | 8.549165 st/ft3 |
| 5 lb/cup | 42.745826 st/ft3 |
| 10 lb/cup | 85.491651 st/ft3 |
| 20 lb/cup | 170.983302 st/ft3 |
| 50 lb/cup | 427.458256 st/ft3 |
| 100 lb/cup | 854.916512 st/ft3 |
| 500 lb/cup | 4274.58256 st/ft3 |
| 1000 lb/cup | 8549.165121 st/ft3 |
Related conversions
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How the formula works
Both pound per cup and stone 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 8.549165 to get stone per cubic foot. To reverse the conversion, multiply a stone per cubic foot value by 0.11697 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 Stone per Cubic foot (st/ft3)?
Stone per Cubic foot (st/ft3) expresses mass in stone per unit volume in cubic foot, found by dividing a mass value by a volume value.
How do I convert pound per cup to stone per cubic foot?
Multiply the pound per cup value by 8.549165 to get the equivalent in stone per cubic foot. For example, 5 lb/cup × 8.549165 = 42.745826 st/ft3.
Is this conversion exact?
Yes. Both units are defined using fixed metric and imperial conversion constants, so the factor 8.549165 is an exact, non-rounded value.
Can I convert stone per cubic foot back to pound per cup?
Yes. Divide the stone per cubic foot value by 8.549165, or multiply it by 0.11697, to get pound per cup.
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About converting pound per cup to stone 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. Stone per Cubic foot (st/ft3) expresses mass in stone 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 stone 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.