Convert Slug square feet to Tonne square metres
Convert Slug square feet (slug·ft²) to Tonne square metres (t·m²) instantly and accurately.
Conversion Formula
t·m² = slug·ft² × 0.001355817948
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 Tonne square metres
The tonne square metre (t·m²) equals 1000 kg·m², used for large industrial rotors and heavy rotating machinery. A 60-tonne paper-machine calendar roll of 0.5 m radius has I ≈7.5 t·m²; synchronous hydro-generator rotors: 50-2000 t·m²; large marine propulsion shafts: 5-50 t·m². 1 t·m² = 1000 kg·m² ≈737.6 slug·ft² ≈23 730 lb·ft².
Quick Reference Table
| Slug square feet (slug·ft²) | Tonne square metres (t·m²) |
|---|---|
| 1 slug·ft² | 0.00135582 t·m² |
| 2 slug·ft² | 0.00271164 t·m² |
| 5 slug·ft² | 0.00677909 t·m² |
| 10 slug·ft² | 0.0135582 t·m² |
| 25 slug·ft² | 0.0338954 t·m² |
| 50 slug·ft² | 0.0677909 t·m² |
| 100 slug·ft² | 0.135582 t·m² |