Little League Baseball Field Sizes By Age

Little League Baseball field dimensions have basepaths of 60 feet long and a pitching distance of 46 feet.

The little league field is about 2500 feet in area. Field dimensions vary as per the different age groups and divisions, but some of the standards set by the official Little League should be the same, excluding some exceptions.

Here are the full dimensions of the standard Little League field mentioned below:

• Length: 200’ | 60.96 m (Fence) Area: 31,485 ft² | 2925 m²
• Base Distance: 60’ | 18.3 m
• Infield Arc Radius (from pitching rubber): 50’ | 15.2 m
• Infield Hypotenuse: 84’ 10-1/4” | 25.9 m
• Mound Distance (Center): 45’ | 13.7 m
• Pitching Rubber Distance: 46’ | 14 m
• Mound Radius: 5’ | 1.5 
• Baseline Width: 4’ | 1.2 m
• Base Cutout Radius: 9’ | 2.7 m
• Home Plate Radius: 10’ | 3 m

A standard Little League Field should have a length of 60.96 m, with all dugouts protected by a fence or screen.

The standard little league field consists of a mound radius of 1.5 meters and a pitching rubber distance of 46 feet.

It has classified its divisions from Junior Leagues to Major Divison Leagues depending on the age groups of players.

8U baseball field dimensions are smaller and have some manageable distances providing a better gameplay experience.

Crucial factors to be measured for analyzing the field sizes for the 8U baseball field includes the distance between bases, the pitching circle, and the outfield fence.

Here are some primary measurements to consider mentioned below regarding field dimensions:

1. Base Paths - The standard basepath distance for 8U baseball is measured at 60 feet between the bases. The distance is 30 feet shorter than the 90 used in MLB focusing on young players and their ability.
2. Pitching Distance: In 8U baseball, the pitching distance to the home plate measured from the pitcher's box is set at 40 feet. Reduction in pitching distance can help pitchers to throw a legal pitch in the game.
3. Outfield Fences - The outfield fences are set 150-200 feet from the home plate to the outfield fence varying on the field and the league standard.
4. On-Deck Circle - On-Deck circle is where the next batter warms up before entering the field. It is usually 30 feet away from the home plate, first and third base sides.
5. Dugout Placement - The recommended distance is 30 feet from the foul line which should be located behind first and third bases. A minimum of 20 feet is required.
6. Coach's Box - Extended 10 feet in length, the coaching box is positioned 15 feet from the first and third base lines.

9U baseball field dimensions include a 65-foot basepath and a 46-foot pitching distance.

The 9U baseball field dimensions are set in a way to provide a balanced playing field for the young players. Covering their foster development and skills enhancement, essential factors are to be set following the little league standards.

9U baseball is designed for the younger players aged 9 years old or younger setting the foundation for their continued development of skills from a younger age.

Here are the primary factors to be measured for 9U players:

1. Base Paths

The basepaths are set 60 feet between the bases for 9U baseball. The shorter distance is similar to 8U baseball and is set by observing the running capabilities of the little leaguers. 

They can easily run through the bases at this measured length between the bases.

2. Pitching Distance

Unlike 8U baseball, the pitching distance is similar for the 9U players which is set at 46 feet to the home plate from the mound.

The shorter distance set can help young pitchers to deliver the ball accurately and precisely creating an adjustable velocity while pitching. 

3. Outfield Fences

The outfield fences are kept at 200-250 feet ranges from the home plate. 

There is no standard distance measured for the 9U baseball but has been maintained in a certain range of measurement.

It helps in guiding the players to cover the smaller spaces and have ample spaces to play and grind their skills. 

10U baseball field dimensions include a 60 feet baseline and a 46 feet pitching distance to the home plate from the pitching mound.

It is similar to that of field sizes for 9 year old but sometimes varies as per the tournaments or fields.

Here are some mentioned dimensions for the 10U baseball field:

• Baseline - 60 feet ( sometimes can be 65 feet)
• Distance between the bases - 84 feet 10 inches
• Pitching Box to Home Plate distance - 46 feet
• Distance to Outfield Fences from home plate - 200 feet minimum
• Batter’s Box – 3 feet by 6 feet; 6 inches away from the home plate

The fielding dimensions are set for the Major League divisions from 9 years to 11 years in the Little League analyzing the player's capabilities providing better spaces and to help grinding their abilities.

11U Baseball Field Dimensions are the same as the 9U and 10U divisional players. 

11U baseball also falls on the Major League Divison as 9U and 10U. Based on the leagues they play, the field dimensions are similar with some exceptions regarding some fields and tournament rules.

Some might have a baseline of 70 feet and can have a pitching distance of 50 feet in some fields.

Below are the mentioned field dimensions for 11U baseball:

• Baseline — 60 feet
• Home plate to second base — 84 feet 10 inches
• Third base to First Base – 84 feet 10 inches
• Home plate to pitching rubber — 46 feet
• Foul lines — 200 feet minimum to fence
• Center field fence — N/A feet
• Pitching Mound Diameter – 10 feet
• Pitching Mound Height – 8 inches
• Batter’s Box – 3 feet by 6 feet; 6 inches away from the home plate

12U Baseball Field Dimensions have a 70 feet baselines and the distance between the bases is measured at 99 feet.

It falls under the Intermediate baseball division in the Little League. The pitching distance is set at 50 feet to the home plate.

Below are the mentioned field dimensions for 12U baseball:

• Baseline — 70 feet
• Home plate to second base — 99 feet
• Third base to First Base – 99 feet
• Batter and Pitcher Distance — 50 feet
• Foul lines — 200 feet minimum to fence
• Pitching Mound Diameter – 10 feet
• Pitching Mound Height – 8 inches
• Batter’s Box – 3 feet by 6 feet; 6 inches away from the home plate

13U Baseball Field Dimensions has a baseline of 90 feet with pitching distance to the home plate being at 60 feet.

The distance between all the bases is measured at 127 feet and 3 inches. The distance to the outfield fences from the home plate is 300 feet minimum.

The mentioned field dimensions apply to players aged between 13 and 15 years who play in junior divisions. 

Below are the field dimensions for the 13U baseball field:

• Baseline — 90 feet
• Home plate to second base — 127 feet 3 inches
• Third base to First Base – 127 feet 3 inches
• Home plate to the front of pitching rubber — 60 feet
• Foul lines — 300 feet minimum
• Pitching Mound Diameter – 18 feet
• Pitching Mound Height – 10 inches
• Batter’s Box – 4 feet by 6 feet; 6 inches away from the home plate