| 303 mg * | 0.001 g | = 0.303 g | 
| 1 mg | 
| Eenhede van meting | Gewig | 
|---|---|
| Mikrogram | 303000.0 µg | 
| Milligram | 303.0 mg | 
| Gram | 0.303 g | 
| ons | 0.0106880105 oz | 
| Pond | 0.0006680007 lbs | 
| Kilogram | 0.000303 kg | 
| Stone | 4.77143e-05 st | 
| Amerikaanse ton | 3.34e-07 ton | 
| Ton | 3.03e-07 t | 
| Imperial ton | 2.982e-07 Long tons | 
