Convert Slug square feet to Pound square feet
Convert Slug square feet (slug·ft²) to Pound square feet (lb·ft²) instantly and accurately.
Conversion Formula
lb·ft² = slug·ft² × 32.17404856
About Slug square feet
The slug square foot (slug·ft²) equals ≈1.3558 kg·m², the fundamental moment of inertia unit in US customary aerodynamics and spacecraft attitude dynamics. Pre-SI spacecraft inertia tensors are tabulated in slug·ft² - NASA Apollo CSM principal moments ranged 12 000-90 000 slug·ft². USAF flight manuals and NACA stability reports use slug·ft². 1 slug·ft² ≈1.3558 kg·m² = 32.174 lb·ft².
About Pound square feet
The pound square foot (lb·ft²) equals ≈0.04214 kg·m², the dominant imperial unit for machine and vehicle rotational inertias. Aircraft control-surface counterbalancing, propeller blade inertia, and turbocharger rotor dynamics are specified in lb·ft²; steam turbine discs and helicopter tail-rotor assemblies: 1-10 000 lb·ft². 1 lb·ft² ≈0.04214 kg·m² = 144 lb·in² ≈0.03108 slug·ft².
Quick Reference Table
| Slug square feet (slug·ft²) | Pound square feet (lb·ft²) |
|---|---|
| 1 slug·ft² | 32.174 lb·ft² |
| 2 slug·ft² | 64.3481 lb·ft² |
| 5 slug·ft² | 160.87 lb·ft² |
| 10 slug·ft² | 321.74 lb·ft² |
| 25 slug·ft² | 804.351 lb·ft² |
| 50 slug·ft² | 1608.7 lb·ft² |
| 100 slug·ft² | 3217.4 lb·ft² |