Convert Ounces per UK gallon to Pounds per cubic foot

Convert Ounces per UK gallon (oz/gal (UK)) to Pounds per cubic foot (lb/ft³) instantly and accurately.

Ounces per UK gallon (oz/gal (UK))
Pounds per cubic foot (lb/ft³)

Conversion Formula

lb/ft³ = oz/gal (UK) × 0.3893022162

About Ounces per UK gallon

The ounce per UK gallon (oz/gal UK) equals ≈6.236 kg/m³, based on the avoirdupois ounce (28.349 g) and the UK gallon (4.54609 L). Used historically in British brewing, food manufacturing, and naval fuel specifications before metric adoption. Legacy recipes and Admiralty tables still express density in oz/gal UK. 1 oz/gal (UK) ≈6.236 kg/m³ = (1/16) lb/gal (UK).

About Pounds per cubic foot

The pound per cubic foot (lb/ft³) equals ≈16.018 kg/m³, widely used in US construction, soil mechanics, and insulation specifications. Softwood framing lumber averages 25-35 lb/ft³; compacted soil 90-130 lb/ft³; fresh water ≈62.43 lb/ft³; concrete 145-150 lb/ft³. ASTM standards for concrete, soil, and geotextiles routinely cite lb/ft³. 1 lb/ft³ = 0.45359237/0.028316846592 kg/m³ ≈16.018 kg/m³.

Quick Reference Table

Ounces per UK gallon (oz/gal (UK))Pounds per cubic foot (lb/ft³)
1 oz/gal (UK)0.389302 lb/ft³
2 oz/gal (UK)0.778604 lb/ft³
5 oz/gal (UK)1.94651 lb/ft³
10 oz/gal (UK)3.89302 lb/ft³
25 oz/gal (UK)9.73256 lb/ft³
50 oz/gal (UK)19.4651 lb/ft³
100 oz/gal (UK)38.9302 lb/ft³

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