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Specific Properties

ft³/lbtogal/lb (US)

Convert cubic feet per pound (ft³/lb) to US gallons per pound (gal/lb (US)).

Factor1 ft³/lb = 7.48052 gal/lb (US)

Converter

ft³/lb

Accepts numbers or expressions, e.g. 150 + 14.7

Result
7.48052gal/lb (US)

Rendered to 6 significant figures.

Formula

Formula
gal/lb (US) = ft³/lb × 7.48052

Multiply any value in cubic feet per pound by 7.48052 to obtain the value in US gallons per pound.

Worked example

Convert 1 ft³/lb to gal/lb (US).

  1. 01Start with 1 ft³/lb.
  2. 02Multiply by the conversion factor: 1 × 7.48052 = 7.48052 gal/lb (US).
Result1 ft³/lb = 7.48052 gal/lb (US)

Conversion table

ft³/lbgal/lb (US)
17.4805
214.961
537.403
1074.805
20149.61
50374.03
100748.05
2001496.1
5003740.3
10007480.5

Reference values rounded to 5 significant figures for display.

FAQ

What is the conversion factor from ft³/lb to gal/lb (US)?
1 ft³/lb equals 7.48052 gal/lb (US). To convert, multiply the value in cubic feet per pound by 7.48052.
How do I convert 1 ft³/lb to gal/lb (US)?
1 ft³/lb = 7.48052 gal/lb (US). For any value, multiply by 7.48052.
How do I convert gal/lb (US) back to ft³/lb?
Divide by the same factor — or equivalently, multiply by 0.1336806. So 1 gal/lb (US) = 0.133681 ft³/lb.
When would I need to convert cubic foot per pound to US gallon per pound?
Specific-volume conversions between ft³/lb and gal/lb (US) arise in steam-table lookups, compressible-flow analysis, and thermodynamic state-point work. Specific volume is the reciprocal of density and must not be confused with it — m³/kg and ft³/lb appear directly in property tables and equation-of-state solvers.
Is the conversion exact?
The factor shown is precise to at least 7 significant figures. For most process-engineering work this is far better than instrument accuracy. For metrology or trade applications, refer to the relevant national standard (NIST, BIPM, ISO 80000).

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