Convert Pounds per cubic foot to Pounds per UK gallon
Convert Pounds per cubic foot (lb/ft³) to Pounds per UK gallon (lb/gal (UK)) instantly and accurately.
Conversion Formula
lb/gal (UK) = lb/ft³ × 0.1605436532
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.
About Pounds per UK gallon
The pound per UK gallon (lb/gal UK) equals ≈99.776 kg/m³, based on the avoirdupois pound and the UK gallon (4.54609 L). Used historically in British petroleum refining and Admiralty fuel specifications; the original UK specific-gravity tables reference lb/gal UK. Still encountered in some Commonwealth marine and aviation standards. 1 lb/gal (UK) ≈99.776 kg/m³ ≈6.228 lb/ft³.
Quick Reference Table
| Pounds per cubic foot (lb/ft³) | Pounds per UK gallon (lb/gal (UK)) |
|---|---|
| 1 lb/ft³ | 0.160544 lb/gal (UK) |
| 2 lb/ft³ | 0.321087 lb/gal (UK) |
| 5 lb/ft³ | 0.802718 lb/gal (UK) |
| 10 lb/ft³ | 1.60544 lb/gal (UK) |
| 25 lb/ft³ | 4.01359 lb/gal (UK) |
| 50 lb/ft³ | 8.02718 lb/gal (UK) |
| 100 lb/ft³ | 16.0544 lb/gal (UK) |