Exodus 16:36Now an omer is the tenth part of an ephah.
Proverbs 31:27She looketh well to the ways of her household, and eateth not the bread of idleness.
Ezekiel 45:11-12The ephah and the bath shall be of one measure, that the bath may contain the tenth part of an homer, and the ephah the tenth part of an homer: the measure thereof shall be after the homer. And the shekel shall be twenty gerahs: twenty shekels, five and twenty shekels, fifteen shekels, shall be your maneh.