2 Samuel 14:26
26And when he cut the hair of his head (for at the end of every year he used to cut it; when it was heavy on him, he  acut it), he weighed the hair of his head, two hundred shekels  ▼▼A 
 shekel was about 2/5 ounce or 11 grams
  by the king’s weight. 
    Copyright information for
    
ESV