Leviticus 19:35 KJV
Ye shall do no unrighteousness in judgment, in meteyard, in weight, or in measure.
Leviticus 19:35, King James Version
In context
34 But the stranger that dwelleth with you shall be unto you as one born among you, and thou shalt love him as thyself; for ye were strangers in the land of Egypt: I am the Lord your God.
35 Ye shall do no unrighteousness in judgment, in meteyard, in weight, or in measure.
36 Just balances, just weights, a just ephah, and a just hin, shall ye have: I am the Lord your God, which brought you out of the land of Egypt.