| 42.1 lbs * | 0.45359237 kg | = 19.096238777 kg | 
| 1 lbs | 
| Fyzikální jednotka | Hmotnosti | 
|---|---|
| Mikrogram | 19096238777.0 µg | 
| Miligram | 19096238.777 mg | 
| Gram | 19096.238777 g | 
| Unce | 673.6 oz | 
| Libra | 42.1 lbs | 
| Kilogram | 19.096238777 kg | 
| Kámen | 3.0071428571 st | 
| Americké Tuna | 0.02105 ton | 
| Tuna | 0.0190962388 t | 
| Imperiální Tuna | 0.0187946429 Long tons | 
