Convert Pounds per UK gallon to Slugs per cubic foot
Convert Pounds per UK gallon (lb/gal (UK)) to Slugs per cubic foot (slug/ft³) instantly and accurately.
Conversion Formula
slug/ft³ = lb/gal (UK) × 0.1935981245
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.
About Slugs per cubic foot
The slug per cubic foot (slug/ft³) equals ≈515.379 kg/m³, used in US customary dynamics where forces are in pound-force. The US Standard Atmosphere gives sea-level air density as 2.377 × 10⁻³ slug/ft³; it appears in pre-SI aerospace textbooks (NACA technical notes) and compressible flow equations. 1 slug ≈14.594 kg. 1 slug/ft³ ≈515.379 kg/m³ ≈32.174 lb/ft³.
Quick Reference Table
| Pounds per UK gallon (lb/gal (UK)) | Slugs per cubic foot (slug/ft³) |
|---|---|
| 1 lb/gal (UK) | 0.193598 slug/ft³ |
| 2 lb/gal (UK) | 0.387196 slug/ft³ |
| 5 lb/gal (UK) | 0.967991 slug/ft³ |
| 10 lb/gal (UK) | 1.93598 slug/ft³ |
| 25 lb/gal (UK) | 4.83995 slug/ft³ |
| 50 lb/gal (UK) | 9.67991 slug/ft³ |
| 100 lb/gal (UK) | 19.3598 slug/ft³ |