| 4000 mg * | 0.001 g | = 4.0 g | 
| 1 mg | 
| Unidad de medida | Masa | 
|---|---|
| Microgramo | 4000000.0 µg | 
| Miligramo | 4000.0 mg | 
| Gramo | 4.0 g | 
| Onza | 0.1410958478 oz | 
| Libra | 0.0088184905 lbs | 
| Kilogramo | 0.004 kg | 
| Stone | 0.0006298922 st | 
| Tonelada corta | 4.4092e-06 ton | 
| Tonelada | 4e-06 t | 
| Tonelada larga | 3.9368e-06 Long tons | 
