Gram per Cup (g/cup) expresses mass in gram per unit volume in cup, found by dividing a mass value by a volume value.
Gram per Cup to Pound per Cubic foot
Convert gram per cup (g/cup) to pound per cubic foot (lb/ft3) instantly with formula, conversion table, and FAQ.
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Convert gram per cup (g/cup) to pound per cubic foot (lb/ft3) instantly with formula, conversion table, and FAQ.
Context values
Some unit families need one extra value for a physically accurate result.
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.
lb/ft3 = g/cup × 0.263868
Results update instantly for Gram per Cup to Pound per Cubic foot conversions.
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Formula
lb/ft3 = g/cup × 0.263868
g/cup = lb/ft3 × 3.78978
Conversion table
| 1 g/cup | 0.263868 lb/ft3 |
| 5 g/cup | 1.319338 lb/ft3 |
| 10 g/cup | 2.638676 lb/ft3 |
| 20 g/cup | 5.277351 lb/ft3 |
| 50 g/cup | 13.193378 lb/ft3 |
| 100 g/cup | 26.386756 lb/ft3 |
| 500 g/cup | 131.93378 lb/ft3 |
| 1000 g/cup | 263.86756 lb/ft3 |
Related conversions
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How the formula works
Both gram per cup and pound per cubic foot measure the same physical quantity (mass per unit volume), so converting between them is a single multiplication. Multiply a value in gram per cup by 0.263868 to get pound per cubic foot. To reverse the conversion, multiply a pound per cubic foot value by 3.78978 to get back to gram per cup.
Frequently asked questions
What is Gram per Cup (g/cup)?
Gram per Cup (g/cup) expresses mass in gram per unit volume in cup, found by dividing a mass value by a volume value.
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.
How do I convert gram per cup to pound per cubic foot?
Multiply the gram per cup value by 0.263868 to get the equivalent in pound per cubic foot. For example, 5 g/cup × 0.263868 = 1.319338 lb/ft3.
Is this conversion exact?
Yes. Both units are defined using fixed metric and imperial conversion constants, so the factor 0.263868 is an exact, non-rounded value.
Can I convert pound per cubic foot back to gram per cup?
Yes. Divide the pound per cubic foot value by 0.263868, or multiply it by 3.78978, to get gram per cup.
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About converting gram per cup to pound per cubic foot
Gram per Cup (g/cup) expresses mass in gram per unit volume in cup, found by dividing a mass value by a volume value. 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.
Use this calculator to move between gram per cup and pound 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.