| 531 mg * | 0.001 g | = 0.531 g | 
| 1 mg | 
| Natuurkundige eenheid | Massa | 
|---|---|
| Microgram | 531000.0 µg | 
| Milligram | 531.0 mg | 
| Gram | 0.531 g | 
| Ons | 0.0187304738 oz | 
| Pond | 0.0011706546 lbs | 
| Kilogram | 0.000531 kg | 
| Stone | 8.36182e-05 st | 
| Short ton | 5.853e-07 ton | 
| Ton | 5.31e-07 t | 
| Long ton | 5.226e-07 Long tons | 
