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Specific Properties

in³/lbtogal/lb (US)

Convert cubic inches per pound (in³/lb) to US gallons per pound (gal/lb (US)).

Factor1 in³/lb = 0.004329004 gal/lb (US)

Converter

in³/lb

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

Result
0.4329gal/lb (US)

Rendered to 6 significant figures.

Formula

Formula
gal/lb (US) = in³/lb × 0.004329004

Multiply any value in cubic inches per pound by 0.004329004 to obtain the value in US gallons per pound.

Worked example

Convert 100 in³/lb to gal/lb (US).

  1. 01Start with 100 in³/lb.
  2. 02Multiply by the conversion factor: 100 × 0.004329004 = 0.4329 gal/lb (US).
Result100 in³/lb = 0.4329 gal/lb (US)

Conversion table

in³/lbgal/lb (US)
10.004329
20.008658
50.021645
100.04329
200.08658
500.21645
1000.4329
2000.8658
5002.1645
10004.329

Reference values rounded to 5 significant figures for display.

FAQ

What is the conversion factor from in³/lb to gal/lb (US)?
1 in³/lb equals 0.004329004 gal/lb (US). To convert, multiply the value in cubic inches per pound by 0.004329004.
How do I convert 1 in³/lb to gal/lb (US)?
1 in³/lb = 0.004329 gal/lb (US). For any value, multiply by 0.004329004.
How do I convert gal/lb (US) back to in³/lb?
Divide by the same factor — or equivalently, multiply by 231. So 1 gal/lb (US) = 231 in³/lb.
When would I need to convert cubic inch per pound to US gallon per pound?
Specific-volume conversions between in³/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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