Convert Slug square inches to Kilogram square millimetres
Convert Slug square inches (slug·in²) to Kilogram square millimetres (kg·mm²) instantly and accurately.
Conversion Formula
kg·mm² = slug·in² × 9415.402419
About Slug square inches
The slug square inch (slug·in²) equals ≈9.415 × 10⁻³ kg·m², used in US aerospace guidance and flight mechanics. Pre-metric inertial navigation unit (INU) test reports and NACA stability-derivative tables listed gyroscope platform inertia in slug·in²; US autopilot servo actuator sizing also uses slug·in². 1 slug·in² ≈9.415 × 10⁻³ kg·m² ≈32.17 lb·in².
About Kilogram square millimetres
The kilogram square millimetre (kg·mm²) equals 10⁻⁶ kg·m², widely used in CAD software and precision mechanical engineering. SolidWorks, CATIA, and Siemens NX report mass moment of inertia in kg·mm² for gear blanks, pulley hubs, and precision spindle assemblies. Industrial small servo motor rotors: 100-10 000 kg·mm². 1 kg·mm² = 10⁻⁶ kg·m² = 10 g·cm² = 0.01 kg·cm².
Quick Reference Table
| Slug square inches (slug·in²) | Kilogram square millimetres (kg·mm²) |
|---|---|
| 1 slug·in² | 9415.4 kg·mm² |
| 2 slug·in² | 18830.8 kg·mm² |
| 5 slug·in² | 47077 kg·mm² |
| 10 slug·in² | 94154 kg·mm² |
| 25 slug·in² | 235385 kg·mm² |
| 50 slug·in² | 470770 kg·mm² |
| 100 slug·in² | 941540 kg·mm² |