Leviticus 19:35-36

35“ ‘Do not use dishonest standards when measuring length, weight or quantity.

36Use honest scales and honest weights, an honest ephah An ephah was a dry measure having the capacity of about 3/5 of a bushel or about 22 liters. and an honest hin. A hin was a liquid measure having the capacity of about 1 gallon or about 3.8 liters. I am the LORD your God, who brought you out of Egypt.