2 Samuel 14:26

And 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 cut it), he weighed the hair of his head , two hundred shekels by the king’s weight .

Whenever he cut the hair of his head—he used to cut his hair once a year because it became too heavy for him—he would weigh it, and its weight was two hundred shekels by the royal standard.

And when he polled his head, ( for it was at every year's end that he polled it : because the hair was heavy on him, therefore he polled it:) he weighed the hair of his head at two hundred shekels after the king's weight.