Measures of Liquids and Solids: Omer or Tenth-Deal (The Tenth of an Ephah)
Source: TTT
Exodus 16:36
(Now an omer is a tenth of an ephah.)
Leviticus 5:11
But if he cannot afford two turtledoves or two young pigeons, he may bring a tenth of an ephah of fine flour as a sin offering. He must not put olive oil or frankincense on it, because it is a sin offering.
Leviticus 14:10
On the eighth day he is to bring two unblemished male lambs, an unblemished ewe lamb a year old, a grain offering of three-tenths of an ephah of fine flour mixed with olive oil, and one log of olive oil.