Mill Valley Little League

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Little League International Age Calculator

Your player’s league age is determined by the Little League Baseball® Age Charts. The chart determines the division in which your Little Leaguer will play this season. The Age Determination Date for a Little League Baseball player is the actual age of a child as of August 31 of the current year.

Click here to access Little League International's Little League Age Calculator.

Leauge Age (Age on 8/31/2022)	Typical Grade (California)*	Birthday Range		Fall 2021 Division	Spring 2022 Division
5	Pre-K/T-K	9/1/2016	8/31/2017	N/A	Rookie
6	Kindergarten	9/1/2015	8/31/2016	N/A	Rookie
7	Grade 1	9/1/2014	8/31/2015	N/A	Star
8	Grade 2	9/1/2013	8/31/2014	Farm	Farm
9	Grade 3	9/1/2012	8/31/2013	Farm or AAA	Farm or AAA
10	Grade 4	9/1/2011	8/31/2012	AAA or Minors	AAA or Minors
11	Grade 5	9/1/2010	8/31/2011	Minors or Majors	Minors or Majors
12	Grade 6	9/1/2009	8/31/2010	Majors	Majors
13	Grade 7	9/1/2008	8/31/2009	Juniors	Juniors
14	Grade 8	9/1/2007	8/31/2008	Juniors	Juniors