| 31.1 mg * | 0.001 g | = 0.0311 g | 
| 1 mg | 
| Unità | Massa | 
|---|---|
| Mikrogramma | 31100.0 µg | 
| Milligramma | 31.1 mg | 
| Gramma | 0.0311 g | 
| Uqija | 0.0010970202 oz | 
| Lira | 6.85638e-05 lbs | 
| Kilogramma | 3.11e-05 kg | 
| Stone | 4.8974e-06 st | 
| Tunnellata US | 3.43e-08 ton | 
| Tunnellata | 3.11e-08 t | 
| Tunnellata Imperjali | 3.06e-08 Long tons | 
