TSK · Numbers 28:5

Now an omer is the tenth part of an ephah.

And when any one offereth an oblation of a meal-offering unto Jehovah, his oblation shall be of fine flour; and he shall pour oil upon it, and put frankincense thereon:

then shall he that offereth his oblation offer unto Jehovah a meal-offering of a tenth part [of an ephah] of fine flour mingled with the fourth part of a hin of oil: