'Pounds' in the Bible

He took the crown of their king from his head -- it was gold, weighed about seventy-five pounds, and held a precious stone -- and it was placed on David's head. He also took from the city a great deal of plunder.

When he would shave his head -- at the end of every year he used to shave his head, for it grew too long and he would shave it -- he used to weigh the hair of his head at three pounds according to the king's weight.