Convert Pounds per US gallon to Slugs per cubic foot
Convert Pounds per US gallon (lb/gal (US)) to Slugs per cubic foot (slug/ft³) instantly and accurately.
Conversion Formula
slug/ft³ = lb/gal (US) × 0.2325016532
About Pounds per US gallon
The pound per US gallon (lb/gal US) equals ≈119.826 kg/m³, the standard density unit in US petroleum refining, drilling, and petrochemical industries. Water at 60°F is 8.337 lb/gal; diesel 6.8-7.3 lb/gal; medium crude oil 7.1-8.0 lb/gal. Drilling mud weight per API RP 13B is specified in lb/gal (US) to control wellbore pressure. 1 lb/gal (US) ≈119.826 kg/m³ ≈7.481 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 US gallon (lb/gal (US)) | Slugs per cubic foot (slug/ft³) |
|---|---|
| 1 lb/gal (US) | 0.232502 slug/ft³ |
| 2 lb/gal (US) | 0.465003 slug/ft³ |
| 5 lb/gal (US) | 1.16251 slug/ft³ |
| 10 lb/gal (US) | 2.32502 slug/ft³ |
| 25 lb/gal (US) | 5.81254 slug/ft³ |
| 50 lb/gal (US) | 11.6251 slug/ft³ |
| 100 lb/gal (US) | 23.2502 slug/ft³ |