Convert Gram square centimetres to Kilogram square millimetres
Convert Gram square centimetres (g·cm²) to Kilogram square millimetres (kg·mm²) instantly and accurately.
Conversion Formula
kg·mm² = g·cm² × 0.1
About Gram square centimetres
The gram square centimetre (g·cm²) equals 10⁻⁷ kg·m², the dominant unit in small electric motor and servo motor catalogues. Maxon RE-series micromotors list rotor inertia from 0.1-10 g·cm²; stepper motors for 3D printers range 50-500 g·cm². Clockmaking and watch-movement analysis use g·cm² for balance-wheel inertia calculations. 1 g·cm² = 10⁻⁷ kg·m² = 0.01 kg·mm².
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
| Gram square centimetres (g·cm²) | Kilogram square millimetres (kg·mm²) |
|---|---|
| 1 g·cm² | 0.1 kg·mm² |
| 2 g·cm² | 0.2 kg·mm² |
| 5 g·cm² | 0.5 kg·mm² |
| 10 g·cm² | 1 kg·mm² |
| 25 g·cm² | 2.5 kg·mm² |
| 50 g·cm² | 5 kg·mm² |
| 100 g·cm² | 10 kg·mm² |