Convert Kilogram square millimetres to Gram square metres
Convert Kilogram square millimetres (kg·mm²) to Gram square metres (g·m²) instantly and accurately.
Conversion Formula
g·m² = kg·mm² × 0.001
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.
About Gram square metres
The gram square metre (g·m²) equals 10⁻³ kg·m², used for very light rotors with large radii. Lightweight UAV propeller blades, model aircraft propellers, and thin foam circular discs are characterised in g·m²; it bridges g·cm² and kg·m² in laboratory-scale spinning experiments. 1 g·m² = 10⁻³ kg·m² = 10 kg·cm² = 10 000 g·cm².
Quick Reference Table
| Kilogram square millimetres (kg·mm²) | Gram square metres (g·m²) |
|---|---|
| 1 kg·mm² | 0.001 g·m² |
| 2 kg·mm² | 0.002 g·m² |
| 5 kg·mm² | 0.005 g·m² |
| 10 kg·mm² | 0.01 g·m² |
| 25 kg·mm² | 0.025 g·m² |
| 50 kg·mm² | 0.05 g·m² |
| 100 kg·mm² | 0.1 g·m² |