Convert Cubic feet per slug to Cubic feet per pound
Convert Cubic feet per slug (ft³/slug) to Cubic feet per pound (ft³/lb) instantly and accurately.
Conversion Formula
ft³/lb = ft³/slug × 0.03108095017
About Cubic feet per slug
The cubic foot per slug (ft³/slug) equals 0.028316846592 / (0.45359237 × 9.80665 / 0.3048) ≈1.940 × 10⁻³ m³/kg, the natural specific-volume unit in US customary aerodynamics where mass is in slugs. The USAF Standard Atmosphere and pre-SI textbooks (Anderson, Shevell) give air specific volume in ft³/slug. 1 ft³/slug ≈1.940 × 10⁻³ m³/kg.
About Cubic feet per pound
The cubic foot per pound (ft³/lb) equals 0.028316846592 / 0.45359237 ≈0.062428 m³/kg, standard in US power-plant and HVAC engineering. ASHRAE psychrometric charts express humid-air specific volume in ft³/lb; Spirax Sarco steam tables in US customary units list specific volume in ft³/lb. Sea-level atmospheric air ≈1.205 kg/m³ corresponds to ≈0.835 ft³/lb. 1 ft³/lb ≈0.062428 m³/kg ≈62.43 L/kg.
Quick Reference Table
| Cubic feet per slug (ft³/slug) | Cubic feet per pound (ft³/lb) |
|---|---|
| 1 ft³/slug | 0.031081 ft³/lb |
| 2 ft³/slug | 0.0621619 ft³/lb |
| 5 ft³/slug | 0.155405 ft³/lb |
| 10 ft³/slug | 0.31081 ft³/lb |
| 25 ft³/slug | 0.777024 ft³/lb |
| 50 ft³/slug | 1.55405 ft³/lb |
| 100 ft³/slug | 3.1081 ft³/lb |