Charles Ellicott Commentary Leviticus 19:36

"Just balances, just weights, a just ephah, and a just hin, shall ye have: I am Jehovah your God, who brought you out of the land of Egypt." — Leviticus 19:36 (ASV)

Just balances, just weights. —That is, they were to be the same for buying as for selling.

Just ephah. —The ephah is the dry measure, and contained ten omers. (See Leviticus 14:10.) It is the same measure as the bath is for liquids.

A just hin. —The hin, which was a measure for liquids, contained as much as seventy-two hen’s eggs. These two measures are here used as representative, including all other measures.