Convert Slugs per cubic foot to Pounds per UK gallon
Convert Slugs per cubic foot (slug/ft³) to Pounds per UK gallon (lb/gal (UK)) instantly and accurately.
Conversion Formula
lb/gal (UK) = slug/ft³ × 5.165339295
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.
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
| Slugs per cubic foot (slug/ft³) | Pounds per UK gallon (lb/gal (UK)) |
|---|---|
| 1 slug/ft³ | 5.16534 lb/gal (UK) |
| 2 slug/ft³ | 10.3307 lb/gal (UK) |
| 5 slug/ft³ | 25.8267 lb/gal (UK) |
| 10 slug/ft³ | 51.6534 lb/gal (UK) |
| 25 slug/ft³ | 129.133 lb/gal (UK) |
| 50 slug/ft³ | 258.267 lb/gal (UK) |
| 100 slug/ft³ | 516.534 lb/gal (UK) |