Convert Cubic feet per pound to Cubic feet per slug

Convert Cubic feet per pound (ft³/lb) to Cubic feet per slug (ft³/slug) instantly and accurately.

Cubic feet per pound (ft³/lb)
Cubic feet per slug (ft³/slug)

Conversion Formula

ft³/slug = ft³/lb × 32.17404856

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.

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.

Quick Reference Table

Cubic feet per pound (ft³/lb)Cubic feet per slug (ft³/slug)
1 ft³/lb32.174 ft³/slug
2 ft³/lb64.3481 ft³/slug
5 ft³/lb160.87 ft³/slug
10 ft³/lb321.74 ft³/slug
25 ft³/lb804.351 ft³/slug
50 ft³/lb1608.7 ft³/slug
100 ft³/lb3217.4 ft³/slug

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