Pound per Gallon (lb/gal) expresses mass in pound per unit volume in gallon, found by dividing a mass value by a volume value.
Pound per Gallon to Pound per Cubic foot
Convert pound per gallon (lb/gal) to pound per cubic foot (lb/ft3) instantly with formula, conversion table, and FAQ.
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Convert pound per gallon (lb/gal) 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 = lb/gal × 7.480519
Results update instantly for Pound per Gallon to Pound per Cubic foot conversions.
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Formula
lb/ft3 = lb/gal × 7.480519
lb/gal = lb/ft3 × 0.133681
Conversion table
| 1 lb/gal | 7.480519 lb/ft3 |
| 5 lb/gal | 37.402597 lb/ft3 |
| 10 lb/gal | 74.805195 lb/ft3 |
| 20 lb/gal | 149.61039 lb/ft3 |
| 50 lb/gal | 374.025974 lb/ft3 |
| 100 lb/gal | 748.051948 lb/ft3 |
| 500 lb/gal | 3740.25974 lb/ft3 |
| 1000 lb/gal | 7480.519481 lb/ft3 |
Related conversions
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How the formula works
Both pound per gallon 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 pound per gallon by 7.480519 to get pound per cubic foot. To reverse the conversion, multiply a pound per cubic foot value by 0.133681 to get back to pound per gallon.
Frequently asked questions
What is Pound per Gallon (lb/gal)?
Pound per Gallon (lb/gal) expresses mass in pound per unit volume in gallon, 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 pound per gallon to pound per cubic foot?
Multiply the pound per gallon value by 7.480519 to get the equivalent in pound per cubic foot. For example, 5 lb/gal × 7.480519 = 37.402597 lb/ft3.
Is this conversion exact?
Yes. Both units are defined using fixed metric and imperial conversion constants, so the factor 7.480519 is an exact, non-rounded value.
Can I convert pound per cubic foot back to pound per gallon?
Yes. Divide the pound per cubic foot value by 7.480519, or multiply it by 0.133681, to get pound per gallon.
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About converting pound per gallon to pound per cubic foot
Pound per Gallon (lb/gal) expresses mass in pound per unit volume in gallon, 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 pound per gallon 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.