half a dollar half a dose half a dozen half a dozen men half a dozen more half a dozen other half a dozen people half a dozen times half a foot half a gallon half a glass half a glass of water half a gram half a grapefruit half a head half a heart half a key half a kilo half a kilometer half a kilometre half a lap half a league half a lemon half a length half a life half a lifetime half a liter half a litre half a loaf half a lung half a man half a meter half a metre half a mil half a mile half a mile away half a mile from here half a mile long half a mile out half a mile up half a mill half a millennium half a milligram half a million half a million bucks half a million dollar half a million dollars half a million euros half a million followers half a million people half a million pounds half a million quid half a million times half a million women half a million years half a mind half a minute half a month half a pack half a page half a percent half a percentage point half a person half a piece half a pill half a pint half a point half a pound half a sack half a sandwich half a season half a size half a step half a tablet half a tank half a tank of gas half a teaspoon half a ton half a tonne half a trillion half a turn half a week half a world half a world away half a year half a year ago half a year later half acre half acres half ago half an acre half an eye half an hour half an hour a day half an hour after half an hour ago half an hour ago i half an hour away half an hour before