Little League® International has assembled an online resource page dedicated to baseball bat information, that includes the latest bat information, current Little League Baseball® rules and regulations governing bats, and a series of frequently asked questions.
As of January 1, 2018, the new USA Baseball Bat Standard was implemented. USABat Standard bats must be used in the Little League Major Baseball Division and below. Either USABat Standard bats or BBCOR bats must be used at the Intermediate (50/70) Baseball and Junior League Baseball Divisions. At the Senior League Baseball Division, all bats must be meet the BBCOR standard. Little League-approved baseball bats that were approved for use for the 2017 season will no longer be acceptable for use in any Little League game or activity as of January 1, 2018. For more information on the USABat standard and a complete list of bats approved through the USABat Standard, visit usabat.com.
Important Note: These changes only affect baseball divisions and don’t affect any divisions of softball.
USABat models are performance tested and certified using USA Baseball’s Performance Test Protocol.
Updated as of April 13, 2022
Rule 1.10 – Baseball
The bat must be a baseball bat which meets the USA Baseball Bat standard (USABat) as adopted by Little League. It shall be a smooth, rounded stick, and made of wood or of material and color tested and proved acceptable to the USA Baseball Bat standard (USABat).
Beginning with the 2018 season, non-wood and laminated bats used in the Little League (Majors) and below, Intermediate (50-70) Division, Junior League divisions, and Challenger division shall bear the USA Baseball logo signifying that the bat meets the USABat – USA Baseball’s Youth Bat Performance Standard. All BPF – 1.15 bats will be prohibited beginning with the 2018 season. Additionally, starting in 2018, the bat diameter shall not exceed 2⅝ inches for these divisions of play. Bats meeting the Batted Ball Coefficient of Restitution (BBCOR) standard may also be used in the Intermediate (50-70) Division and Junior League divisions. Additional information is available at LittleLeague.org/batinfo.
Tee Ball:
Under the USABat standard, certified Tee Ball bats (26″ and shorter) will feature the USA Baseball mark and text which reads ONLY FOR USE WITH APPROVED TEE BALLS.
NOTE: Approved Tee Ball bats may also be used for Coach Pitch/Machine Pitch Minor Divisions only with the use of approved Tee Balls.
Minor/Major Divisions:
It shall not be more than 33 inches in length; nor more than 2⅝ inches in diameter, and if wood, not less than fifteen-sixteenths (15/16) inches in diameter (7/8 inch for bats less than 30″) at its smallest part. Wood bats taped or fitted with a sleeve may not exceed sixteen (16) inches from the small end.
NOTE 1: Solid one-piece wood barrel bats do not require a USA Baseball logo.
NOTE 2: Approved Tee Ball bats may also be used for Coach Pitch/Machine Pitch Minor Divisions only with the use of approved Tee Balls.
Intermediate (50-70) Division and Junior League:
It shall not be more than 34″ inches in length; nor more than 2⅝ inches in diameter, and if wood, not less than fifteen-sixteenths (15/16) inches in diameter (7/8 inch for bats less than 30″) at its smallest part. Wood bats taped or fitted with a sleeve may not exceed eighteen (18) inches from the small end.
NOTE 1: Solid one-piece wood barrel bats do not require a USA Baseball logo.
NOTE 2: Also, permitted for the Intermediate (50-70) Division and Junior League Division are bats meeting the BBCOR performance standard, and so labeled with a silkscreen or other permanent certification mark. The certification mark shall be rectangular, a minimum of a half-inch on each side and located on the barrel of the bat in any contrasting color. Aluminum/alloy and composite bats shall be marked as to their material makeup being aluminum/alloy or composite. This marking shall be silkscreen or other permanent certification mark, a minimum of one-half-inch on each side, and located on the barrel of the bat in any contrasting color.