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 Gram per Imperial gallon
Convert pound per cubic foot (lb/ft3) to gram per imperial gallon (g/imp gal) instantly with formula, conversion table, and FAQ.
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Convert pound per cubic foot (lb/ft3) to gram per imperial gallon (g/imp gal) instantly with formula, conversion table, and FAQ.
Context values
Some unit families need one extra value for a physically accurate result.
Gram per Imperial gallon (g/imp gal) expresses mass in gram per unit volume in imperial gallon, found by dividing a mass value by a volume value.
g/imp gal = lb/ft3 × 72.821376
Results update instantly for Pound per Cubic foot to Gram per Imperial gallon conversions.
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Formula
g/imp gal = lb/ft3 × 72.821376
lb/ft3 = g/imp gal × 0.013732
Conversion table
| 1 lb/ft3 | 72.821376 g/imp gal |
| 5 lb/ft3 | 364.106881 g/imp gal |
| 10 lb/ft3 | 728.213762 g/imp gal |
| 20 lb/ft3 | 1456.427523 g/imp gal |
| 50 lb/ft3 | 3641.068808 g/imp gal |
| 100 lb/ft3 | 7282.137616 g/imp gal |
| 500 lb/ft3 | 36410.68808 g/imp gal |
| 1000 lb/ft3 | 72821.37616 g/imp gal |
Related conversions
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How the formula works
Both pound per cubic foot and gram per imperial gallon 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 72.821376 to get gram per imperial gallon. To reverse the conversion, multiply a gram per imperial gallon value by 0.013732 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 Gram per Imperial gallon (g/imp gal)?
Gram per Imperial gallon (g/imp gal) expresses mass in gram per unit volume in imperial gallon, found by dividing a mass value by a volume value.
How do I convert pound per cubic foot to gram per imperial gallon?
Multiply the pound per cubic foot value by 72.821376 to get the equivalent in gram per imperial gallon. For example, 5 lb/ft3 × 72.821376 = 364.106881 g/imp gal.
Is this conversion exact?
Yes. Both units are defined using fixed metric and imperial conversion constants, so the factor 72.821376 is an exact, non-rounded value.
Can I convert gram per imperial gallon back to pound per cubic foot?
Yes. Divide the gram per imperial gallon value by 72.821376, or multiply it by 0.013732, to get pound per cubic foot.
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About converting pound per cubic foot to gram per imperial gallon
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. Gram per Imperial gallon (g/imp gal) expresses mass in gram per unit volume in imperial gallon, found by dividing a mass value by a volume value.
Use this calculator to move between pound per cubic foot and gram per imperial gallon accurately for science, engineering, manufacturing, or everyday density calculations. The Universal Converter uses exact unit factors, so results stay consistent across the site.