Convert Gram square millimetres to Gram square metres
Convert Gram square millimetres (g·mm²) to Gram square metres (g·m²) instantly and accurately.
Conversion Formula
g·m² = g·mm² × 1.000000000e-6
About Gram square millimetres
The gram square millimetre (g·mm²) equals 10⁻⁹ kg·m², the natural unit for MEMS gyroscope resonators and micro-fabricated spinning structures. CubeSat reaction wheel rotors range 1-50 g·mm²; chip-scale IMU proof masses sit below 1 g·mm². Watchmaking balance wheels and miniature turbine blades also fall in this range. 1 g·mm² = 10⁻⁹ kg·m² = 0.01 g·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
| Gram square millimetres (g·mm²) | Gram square metres (g·m²) |
|---|---|
| 1 g·mm² | 1 × 10-6 g·m² |
| 2 g·mm² | 2 × 10-6 g·m² |
| 5 g·mm² | 5 × 10-6 g·m² |
| 10 g·mm² | 1 × 10-5 g·m² |
| 25 g·mm² | 2.5 × 10-5 g·m² |
| 50 g·mm² | 5 × 10-5 g·m² |
| 100 g·mm² | 1 × 10-4 g·m² |