Leviticus 19:35-37 - WEB
35
You shall do no unrighteousness in judgment, in measures of length, of weight, or of quantity.
36
Just balances, just weights, a just ephah, and a just hin, shall you have: I am Yahweh your God, who brought you out of the land of Egypt.
37
You shall observe all my statutes, and all my ordinances, and do them: I am Yahweh.
Full Chapter