| 31 mg * | 0.001 g | = 0.031 g | 
| 1 mg | 
| Mõõtühik | Mass | 
|---|---|
| Mikrogramm | 31000.0 µg | 
| Milligramm | 31.0 mg | 
| Gramm | 0.031 g | 
| Unts | 0.0010934928 oz | 
| Nael | 6.83433e-05 lbs | 
| Kilogramm | 3.1e-05 kg | 
| Stone | 4.8817e-06 st | 
| USA Tonn | 3.42e-08 ton | 
| Tonn | 3.1e-08 t | 
| Imperial Tonn | 3.05e-08 Long tons | 
