| 521 mg * | 0.001 g | = 0.521 g | 
| 1 mg | 
| Mõõtühik | Mass | 
|---|---|
| Mikrogramm | 521000.0 µg | 
| Milligramm | 521.0 mg | 
| Gramm | 0.521 g | 
| Unts | 0.0183777342 oz | 
| Nael | 0.0011486084 lbs | 
| Kilogramm | 0.000521 kg | 
| Stone | 8.20435e-05 st | 
| USA Tonn | 5.743e-07 ton | 
| Tonn | 5.21e-07 t | 
| Imperial Tonn | 5.128e-07 Long tons | 
