Sh'mu'el Bet (2 Sa) 14:26
Sh'mu'el Bet (2 Sa) 14:26 CJB
He would cut his hair only once a year, at the end of the year; and the only reason he cut it then was because it weighed him down. He weighed the hair from his head at 200 shekels (using the royal weight) [about five pounds].