Baseball LabDivision by division
What changes
when you move up
The field
- Base paths
- 60 ft
- Pitching distance
- 46 ft
- Mound height
- 6 in
- Recommended fence
- 200 ft
- Bats
- USA Baseball, Wood
Not permitted: USSSA 1.15 BPF
The canonical Little League field. The 6-inch mound is lower than the 10-inch mound used from Junior League upward.
Rule of thumb for parents: Little League Majors and below means a USA Baseball bat, full stop.
Source
Field Specifications
Retrieved 2026-08-07
Every division
| Division | Bases | Pitching | Mound | Fence |
|---|---|---|---|---|
| Tee Ball | 60 ft | 46 ft | flat | 200 ft |
| Minor League | 60 ft | 46 ft | 6 in | 200 ft |
| Major Division | 60 ft | 46 ft | 6 in | 200 ft |
| Intermediate (50/70) | 70 ft | 50 ft | 10 in | 200 ft |
| Junior League | 90 ft | 60.5 ft | 10 in | 300 ft |
| Senior League | 90 ft | 60.5 ft | 10 in | 300 ft |
| High School | 90 ft | 60.5 ft | 10 in | n/a |
Tee Ball
- Bases
- 60 ft
- Pitching
- 46 ft
- Mound
- flat
- Fence
- 200 ft
Minor League
- Bases
- 60 ft
- Pitching
- 46 ft
- Mound
- 6 in
- Fence
- 200 ft
Major Division
- Bases
- 60 ft
- Pitching
- 46 ft
- Mound
- 6 in
- Fence
- 200 ft
Intermediate (50/70)
- Bases
- 70 ft
- Pitching
- 50 ft
- Mound
- 10 in
- Fence
- 200 ft
Junior League
- Bases
- 90 ft
- Pitching
- 60.5 ft
- Mound
- 10 in
- Fence
- 300 ft
Senior League
- Bases
- 90 ft
- Pitching
- 60.5 ft
- Mound
- 10 in
- Fence
- 300 ft
High School
- Bases
- 90 ft
- Pitching
- 60.5 ft
- Mound
- 10 in
- Fence
- n/a
Source
Field Specifications
Retrieved 2026-08-07
Bat standards
Check your league's list
Bats can also be individually decertified or banned by model. This data covers STANDARDS, not model-level approval lists. Every surface that renders it must say: check your league's current approved-bat list.
| Standard | How to spot it | Max barrel |
|---|---|---|
| USA Baseball | USA Baseball logo mark on the barrel or taper | 2.625 in |
| USSSA 1.15 BPF | Thumbprint-shaped USSSA mark reading 1.15 BPF | 2.75 in |
| BBCOR .50 | BBCOR .50 mark on the barrel | 2.625 in |
| Wood | None required | — |
USA Baseball
- How to spot it
- USA Baseball logo mark on the barrel or taper
- Max barrel
- 2.625 in
USSSA 1.15 BPF
- How to spot it
- Thumbprint-shaped USSSA mark reading 1.15 BPF
- Max barrel
- 2.75 in
BBCOR .50
- How to spot it
- BBCOR .50 mark on the barrel
- Max barrel
- 2.625 in
Wood
- How to spot it
- None required
- Max barrel
- —
What we have not confirmed
These vary by division and by local option, and we have not yet verified them against a primary source. Rather than print a plausible answer, we are telling you they are open. Ask your league.
Dropped third strike
Unconfirmed for: Major Division, Intermediate (50/70), Junior League, Senior League, High School
Leading off
Unconfirmed for: Tee Ball, Minor League, Major Division, Intermediate (50/70), Junior League, Senior League, High School
Infield fly rule
Unconfirmed for: Tee Ball, Minor League, Major Division, Intermediate (50/70), Junior League, Senior League, High School
Batting order format
Unconfirmed for: Tee Ball, Minor League, Major Division, Intermediate (50/70), Junior League, Senior League
Mandatory play
Unconfirmed for: Tee Ball, Minor League, Major Division
Courtesy runner
Unconfirmed for: Major Division
Regulation game length
Unconfirmed for: Tee Ball, Minor League, Major Division, Intermediate (50/70), Junior League, Senior League, High School
Nothing on this list feeds any calculation in this product. Unverified rule data is blocked from the pitching planner by design.
Little League® is a registered trademark of Little League Baseball, Incorporated. USA Baseball and Pitch Smart are marks of their respective owners. This product is not affiliated with, endorsed by, or sponsored by any of them.