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Density and Mass

lb/galtoslug/ft³

Convert pounds per US gallon (lb/gal) to slugs per cubic foot (slug/ft³).

Factor1 lb/gal = 0.2325017 slug/ft³

Converter

lb/gal

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

Result
2.32502slug/ft³

Rendered to 6 significant figures.

Formula

Formula
slug/ft³ = lb/gal × 0.2325017

Multiply any value in pounds per US gallon by 0.2325017 to obtain the value in slugs per cubic foot.

Worked example

Convert 10 lb/gal to slug/ft³.

  1. 01Start with 10 lb/gal.
  2. 02Multiply by the conversion factor: 10 × 0.2325017 = 2.32502 slug/ft³.
Result10 lb/gal = 2.32502 slug/ft³

Conversion table

lb/galslug/ft³
10.2325
20.465
51.1625
102.325
204.65
5011.625
10023.25
20046.5
500116.25
1000232.5

Reference values rounded to 5 significant figures for display.

FAQ

What is the conversion factor from lb/gal to slug/ft³?
1 lb/gal equals 0.2325017 slug/ft³. To convert, multiply the value in pounds per US gallon by 0.2325017.
How do I convert 1 lb/gal to slug/ft³?
1 lb/gal = 0.232502 slug/ft³. For any value, multiply by 0.2325017.
How do I convert slug/ft³ back to lb/gal?
Divide by the same factor — or equivalently, multiply by 4.301045. So 1 slug/ft³ = 4.30104 lb/gal.
When would I need to convert pound per US gallon to slug per cubic foot?
Density conversions are critical for fluid property datasheets, hydraulic head calculations, and reconciling lab measurements (often g/cm³) with process simulator inputs (kg/m³).
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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