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Density and Mass

lb/gal (UK)tolb/ft³

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

Factor1 lb/gal (UK) = 6.228835 lb/ft³

Converter

lb/gal (UK)

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

Result
6.22884lb/ft³

Rendered to 6 significant figures.

Formula

Formula
lb/ft³ = lb/gal (UK) × 6.228835

Multiply any value in pounds per imperial gallon by 6.228835 to obtain the value in pounds per cubic foot.

Worked example

Convert 1 lb/gal (UK) to lb/ft³.

  1. 01Start with 1 lb/gal (UK).
  2. 02Multiply by the conversion factor: 1 × 6.228835 = 6.22884 lb/ft³.
Result1 lb/gal (UK) = 6.22884 lb/ft³

Conversion table

lb/gal (UK)lb/ft³
16.2288
212.458
531.144
1062.288
20124.58
50311.44
100622.88
2001245.8
5003114.4
10006228.8

Reference values rounded to 5 significant figures for display.

FAQ

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