1. Short title This Act may be cited as the SNAP for Kids Act of 2018 . 2. Calculation of program benefits with reference to low-cost food plan (a) Definitions Section 3 of the Food and Nutrition Act of 2008 ( 7 U.S.C. 2012 ) is amended— (1) by redesignating subsections (n) through (v) as subsections (o) through (w), respectively; and (2) by inserting after subsection (m) the following: (n) Low-Cost food plan (1) In general The term low-cost food plan means the diet required to feed a family of 4 persons, consisting of a man and a woman 19 through 50 years old, a child 6 through 8 years old, and a child 9 through 11 years old, at a cost that is in the second quartile of food expenditures for those families in the United States, as determined by the Secretary. (2) Uniform use for small households including children Subject to paragraph (3), the Secretary shall use the cost of the diet determined under paragraph (1) as the basis for uniform allotments for all small households that include one or more children not less than 5 and not greater than 17 years old (as determined on the first day of each month), regardless of the composition of such a household. (3) Adjustments In determining the diet under paragraph (1), the Secretary shall— (A) make household-size adjustments (based on the unrounded cost of the diet), taking into account economies of scale; (B) make cost adjustments in the diet for the State of Hawaii and the urban and rural parts of the State of Alaska to reflect the cost of food in the State of Hawaii and urban and rural parts of the State of Alaska; (C) make cost adjustments in the separate low-cost food plans for Guam and the United States Virgin Islands to reflect the cost of food in those States, which shall not exceed the cost of food in the 50 States and the District of Columbia; and (D) on October 1, 2018, and each October 1 thereafter— (i) adjust the cost of the diet to reflect the cost of the diet in the preceding June