'Ounce' in the Bible

Everyone who is registered must pay half a shekel according to the sanctuary shekel (20 gerahs to the shekel). This half shekel is a contribution to the Lord.

2⁄5 of an ounce per man, that is, half a shekel according to the sanctuary shekel, from everyone 20 years old or more who had crossed over to the registered group, 603,550 men.

We will impose the following commands on ourselves: To give an eighth of an ounce of silver yearly for the service of the house of our God: