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 Gram per Cubic foot
Convert pound per cup (lb/cup) to gram per cubic foot (g/ft3) instantly with formula, conversion table, and FAQ.
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Convert pound per cup (lb/cup) to gram per cubic foot (g/ft3) instantly with formula, conversion table, and FAQ.
Context values
Some unit families need one extra value for a physically accurate result.
Gram per Cubic foot (g/ft3) expresses mass in gram per unit volume in cubic foot, found by dividing a mass value by a volume value.
g/ft3 = lb/cup × 54289.70496
Results update instantly for Pound per Cup to Gram per Cubic foot conversions.
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Formula
g/ft3 = lb/cup × 54289.70496
lb/cup = g/ft3 × 1.84197e-5
Conversion table
| 1 lb/cup | 54289.70496 g/ft3 |
| 5 lb/cup | 271448.5248 g/ft3 |
| 10 lb/cup | 542897.0496 g/ft3 |
| 20 lb/cup | 1.085794e6 g/ft3 |
| 50 lb/cup | 2.714485e6 g/ft3 |
| 100 lb/cup | 5.42897e6 g/ft3 |
| 500 lb/cup | 2.714485e7 g/ft3 |
| 1000 lb/cup | 5.42897e7 g/ft3 |
Related conversions
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How the formula works
Both pound per cup and gram 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 54289.70496 to get gram per cubic foot. To reverse the conversion, multiply a gram per cubic foot value by 1.84197e-5 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 Gram per Cubic foot (g/ft3)?
Gram per Cubic foot (g/ft3) expresses mass in gram per unit volume in cubic foot, found by dividing a mass value by a volume value.
How do I convert pound per cup to gram per cubic foot?
Multiply the pound per cup value by 54289.70496 to get the equivalent in gram per cubic foot. For example, 5 lb/cup × 54289.70496 = 271448.5248 g/ft3.
Is this conversion exact?
Yes. Both units are defined using fixed metric and imperial conversion constants, so the factor 54289.70496 is an exact, non-rounded value.
Can I convert gram per cubic foot back to pound per cup?
Yes. Divide the gram per cubic foot value by 54289.70496, or multiply it by 1.84197e-5, to get pound per cup.
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About converting pound per cup to gram 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. Gram per Cubic foot (g/ft3) expresses mass in gram 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 gram 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.