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 Kilogram per Cup
Convert pound per cubic foot (lb/ft3) to kilogram per cup (kg/cup) instantly with formula, conversion table, and FAQ.
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Convert pound per cubic foot (lb/ft3) to kilogram per cup (kg/cup) instantly with formula, conversion table, and FAQ.
Context values
Some unit families need one extra value for a physically accurate result.
Kilogram per Cup (kg/cup) expresses mass in kilogram per unit volume in cup, found by dividing a mass value by a volume value.
kg/cup = lb/ft3 × 0.00379
Results update instantly for Pound per Cubic foot to Kilogram per Cup conversions.
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Formula
kg/cup = lb/ft3 × 0.00379
lb/ft3 = kg/cup × 263.86756
Conversion table
| 1 lb/ft3 | 0.00379 kg/cup |
| 5 lb/ft3 | 0.018949 kg/cup |
| 10 lb/ft3 | 0.037898 kg/cup |
| 20 lb/ft3 | 0.075796 kg/cup |
| 50 lb/ft3 | 0.189489 kg/cup |
| 100 lb/ft3 | 0.378978 kg/cup |
| 500 lb/ft3 | 1.89489 kg/cup |
| 1000 lb/ft3 | 3.78978 kg/cup |
Related conversions
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How the formula works
Both pound per cubic foot and kilogram 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 0.00379 to get kilogram per cup. To reverse the conversion, multiply a kilogram per cup value by 263.86756 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 Kilogram per Cup (kg/cup)?
Kilogram per Cup (kg/cup) expresses mass in kilogram per unit volume in cup, found by dividing a mass value by a volume value.
How do I convert pound per cubic foot to kilogram per cup?
Multiply the pound per cubic foot value by 0.00379 to get the equivalent in kilogram per cup. For example, 5 lb/ft3 × 0.00379 = 0.018949 kg/cup.
Is this conversion exact?
Yes. Both units are defined using fixed metric and imperial conversion constants, so the factor 0.00379 is an exact, non-rounded value.
Can I convert kilogram per cup back to pound per cubic foot?
Yes. Divide the kilogram per cup value by 0.00379, or multiply it by 263.86756, to get pound per cubic foot.
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About converting pound per cubic foot to kilogram 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. Kilogram per Cup (kg/cup) expresses mass in kilogram 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 kilogram 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.