Approximately 2.2 lbs (4)
(Other definitions for kilo that I've seen before include "Metric weight (abbrev.)" , "Unit of weight (abbr)" , "Metric weight, informally" , "Metric prefix meaning 1,000" , "Metric unit of weight" .)
(Other definitions for kilogram that I've seen before include "I log mark of the weight" , "Metric unit of weight" , "Approximately 2.2 lbs" , "Approximately 2.2lbs" , "Metric measure of weight" .)