Genesis 23:16

23:16 So Abraham agreed to Ephron’s price and weighed out for him the price that Ephron had quoted in the hearing of the sons of Heth – 400 pieces of silver, according to the standard measurement at the time.

Leviticus 19:36

19:36 You must have honest balances, honest weights, an honest ephah, and an honest hin. I am the Lord your God who brought you out from the land of Egypt.

Ezekiel 45:9-14

45:9 “‘This is what the sovereign Lord says: Enough, you princes of Israel! Put away violence and destruction, and do what is just and right. Put an end to your evictions of my people, declares the sovereign Lord. 45:10 You must use just balances, a just dry measure (an ephah), and a just liquid measure (a bath). 45:11 The dry and liquid measures will be the same, the bath will contain a tenth of a homer, and the ephah a tenth of a homer; the homer will be the standard measure. 45:12 The shekel will be twenty gerahs. Sixty shekels will be a mina for you.

45:13 “‘This is the offering you must offer: a sixth of an ephah from a homer of wheat; a sixth of an ephah from a homer of barley, 45:14 and as the prescribed portion of olive oil, one tenth of a bath from each kor (which is ten baths or a homer, for ten baths make a homer);