1 Newton (N) = 0,225 lbf (libra sily) = 0,102 kgf (kilogram sily)
1 kilogram sily (kgf) = 9,81 dobytka (N)
1 libra sily (lbf) = 4,45 newtonu (N)
1 newton (N) = 10^5 dyn.