| 684 lbs * | 0.45359237 kg | = 310.25718108 kg | 
| 1 lbs | 
| Natuurkundige eenheid | Massa | 
|---|---|
| Microgram | 3.1025718108e+11 µg | 
| Milligram | 310257181.08 mg | 
| Gram | 310257.18108 g | 
| Ons | 10944.0 oz | 
| Pond | 684.0 lbs | 
| Kilogram | 310.25718108 kg | 
| Stone | 48.8571428571 st | 
| Short ton | 0.342 ton | 
| Ton | 0.3102571811 t | 
| Long ton | 0.3053571429 Long tons | 
