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Density and Mass

lb/ft³tolb/gal (UK)

Convert pounds per cubic foot (lb/ft³) to pounds per imperial gallon (lb/gal (UK)).

Factor1 lb/ft³ = 0.1605437 lb/gal (UK)

Converter

lb/ft³

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

Result
1.60544lb/gal (UK)

Rendered to 6 significant figures.

Formula

Formula
lb/gal (UK) = lb/ft³ × 0.1605437

Multiply any value in pounds per cubic foot by 0.1605437 to obtain the value in pounds per imperial gallon.

Worked example

Convert 10 lb/ft³ to lb/gal (UK).

  1. 01Start with 10 lb/ft³.
  2. 02Multiply by the conversion factor: 10 × 0.1605437 = 1.60544 lb/gal (UK).
Result10 lb/ft³ = 1.60544 lb/gal (UK)

Conversion table

lb/ft³lb/gal (UK)
10.16054
20.32109
50.80272
101.6054
203.2109
508.0272
10016.054
20032.109
50080.272
1000160.54

Reference values rounded to 5 significant figures for display.

FAQ

What is the conversion factor from lb/ft³ to lb/gal (UK)?
1 lb/ft³ equals 0.1605437 lb/gal (UK). To convert, multiply the value in pounds per cubic foot by 0.1605437.
How do I convert 1 lb/ft³ to lb/gal (UK)?
1 lb/ft³ = 0.160544 lb/gal (UK). For any value, multiply by 0.1605437.
How do I convert lb/gal (UK) back to lb/ft³?
Divide by the same factor — or equivalently, multiply by 6.228835. So 1 lb/gal (UK) = 6.22884 lb/ft³.
When would I need to convert pound per cubic foot to pound per imperial gallon?
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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