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 Centigram per Cup
Convert pound per cubic foot (lb/ft3) to centigram per cup (cg/cup) instantly with formula, conversion table, and FAQ.
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Convert pound per cubic foot (lb/ft3) to centigram per cup (cg/cup) instantly with formula, conversion table, and FAQ.
Context values
Some unit families need one extra value for a physically accurate result.
Centigram per Cup (cg/cup) expresses mass in centigram per unit volume in cup, found by dividing a mass value by a volume value.
cg/cup = lb/ft3 × 378.978
Results update instantly for Pound per Cubic foot to Centigram per Cup conversions.
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Formula
cg/cup = lb/ft3 × 378.978
lb/ft3 = cg/cup × 0.002639
Conversion table
| 1 lb/ft3 | 378.978 cg/cup |
| 5 lb/ft3 | 1894.890001 cg/cup |
| 10 lb/ft3 | 3789.780001 cg/cup |
| 20 lb/ft3 | 7579.560002 cg/cup |
| 50 lb/ft3 | 18948.900005 cg/cup |
| 100 lb/ft3 | 37897.800011 cg/cup |
| 500 lb/ft3 | 189489.000054 cg/cup |
| 1000 lb/ft3 | 378978.000109 cg/cup |
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How the formula works
Both pound per cubic foot and centigram 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 378.978 to get centigram per cup. To reverse the conversion, multiply a centigram per cup value by 0.002639 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 Centigram per Cup (cg/cup)?
Centigram per Cup (cg/cup) expresses mass in centigram per unit volume in cup, found by dividing a mass value by a volume value.
How do I convert pound per cubic foot to centigram per cup?
Multiply the pound per cubic foot value by 378.978 to get the equivalent in centigram per cup. For example, 5 lb/ft3 × 378.978 = 1894.890001 cg/cup.
Is this conversion exact?
Yes. Both units are defined using fixed metric and imperial conversion constants, so the factor 378.978 is an exact, non-rounded value.
Can I convert centigram per cup back to pound per cubic foot?
Yes. Divide the centigram per cup value by 378.978, or multiply it by 0.002639, to get pound per cubic foot.
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About converting pound per cubic foot to centigram 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. Centigram per Cup (cg/cup) expresses mass in centigram 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 centigram 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.