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What does BPF mean on a softball bat?

Author

William Rodriguez

Published Jan 09, 2026

Little League, USSSA, and NSA use the Bat Performance Factor (or BPF) to regulate bat performance.The BPF involves the bat-ball coefficient of restitution or BBCOR. Its definition is similar to that used for the ball (Eq.

What does 1.20 BPF mean on a softball bat?

Bat Performance Factor (BPF) is simply the increase in the liveliness of a ball hitting a bat compared to throwing a ball against a solid wall. For example a 20% faster rebound = a BPF of 1.20. The major baseball and softball organizations have adopted the BPF standard to determine whether a bat is legal for play.

Is higher BPF better?

This means that if two identical batters swung with the same power at the same exact pitch with the only difference being that one was swinging a bat with a higher BPF, the hit would be stronger from the bat with the higher BPF and the ball would fly farther.

What is the difference between 1.20 BPF and 1.21 BPF?

BPF 1.20: This is the Standard for Slow Pitch and Fast Pitch Leagues and Tournaments. BPF 1.21: This is the Standard for Slow Pitch Senior Softball Leagues and Tournaments. SSUSA is the most popular Senior League.

What does 1.15 BPF stand for?

BPF 1.15. Youth bats are universally governed by the USSSA 1.15 BPF. BPF stands for Bat Performance Factor and measures the how fast the ball comes off the bat. Bats must meet this BPF standard to be approved for play. Nearly all youth bats own the 1.15 BPF stamp.

35 related questions found

What is BPF of USA bat?

Q: What does this mean? A: The USABat standard replaced the 1.15 Bat Performance Factor (BPF) standard. Both standards establish limits for barrel performance, but the USABat standard mandates a more wood-like performance than 1.15 BPF.

What is a BPF rating?

BPF is simply the increase in the liveliness of a ball hitting a bat compared to throwing a ball against a solid wall (i.e., 20% faster rebound = a BPF of 1.20). The three main BPF ratings are 1.15 BPF, 1.20 BPF and 1.21 BPF. BPF 1.15 is generally used for youth and big barrel baseball bats.

Can a Tball bat be used for softball?

As long as the league allows it, you can use a baseball bat for softball. However, we're not sure a league exists with such rules. Basically, both types of bats are carefully designed for their particular games. Baseball bats have larger barrels, and are generally heavier in weight.

Can you use a fastpitch softball bat for slow pitch softball?

It is possible to use a fastpitch bat for slowpitch softball, but it is not advisable. Although fastpitch and slowpitch are both versions of softball, the pitching speed changes the game significantly. A slowpitch bat is designed to hit a ball traveling around 25 mph.

Why is BPF used?

BPF allows users to run a small piece of code quickly and safely inside the operating system. Originally used for packet filtering, it has since been enhanced from its eponymous use-case to support dynamic tracing of the Linux operating system.

What are BPF programs?

The Berkeley Packet Filter (BPF) is a technology used in certain computer operating systems for programs that need to, among other things, analyze network traffic (and eBPF is an extended BPF JIT virtual machine in the Linux kernel).

What is the best material for a softball bat?

Composite Bats. The two primary materials used for fastpitch softball bats are aluminum alloy and composite. Composite bats are made with a layered material (typically carbon fiber) that is easy to distribute, giving us the ability to make bats with a variety of swing weights, from balanced to end-loaded.

Are miken bats illegal?

Three such bats, the Miken Ultra and Ultra II and the Easton Synergy, have been banned by most - if not all - softball associations and are no longer manufactured. In fact, when the Miken Ultra was first banned in 2003, several softball associations threatened to completely ban all composite bats.

Does a heavier softball bat hit farther?

Heavier Bats

A heavier bat will hit a ball farther than a lighter bat, when the speed of the bat swing, the pitch speed and the ball mass are kept constant. Increasing the mass of the bat gives the ball more momentum.

What bat is hotter ASA or USSSA?

Just like for fastpitch, USSSA allows for higher performance than ASA so a USSSA only stamp bat will typically be hotter than a bat with an ASA stamp.

Is it OK to hit baseballs with a softball bat?

Using a softball bat to play baseball would most likely result in cracking or breaking your bat. Softball bats are not designed to withstand the forces resulting from an impact with a baseball.

What is the difference between a baseball bat and softball bat?

What are the sizes of the two types of bats? The main key difference between the two bats is that a softball bat has an average length of 33” for fastpitch and 34” for slow pitch. A regular baseball bat will typically measure to 32”.

Is a softball bat bigger than a baseball bat?

Baseball bats typically have a diameter of 2.5–2.53”. ASA-compliant softball bats, on the other hand, have one size barrel: 2.25”. Along with thinner barrels, softball bats are typically longer than baseball bats. There are significant differences in weight-to-length ratios between wooden baseball and softball bats.

What bats are legal for Babe Ruth?

Babe Ruth League Bat Rules

Note: Solid one piece wood bats are permitted for use in all divisions and must conform to Rule 1.10. No laminated or experimental bats shall be used in a game.

What bats are legal for Cal Ripken?

Which Bats are allowed for Cal Ripken/Babe Ruth League Play? The bat may not exceed 33”in length, and the bat barrel may not exceed 2 ¼” in diameter. Only 2 ¼” barrel non-wood bats marked BPF 1.15 will be allowed. Wood 2 ¼” barrel bats are allowed.

What is BPF in Wireshark?

Wireshark uses the Berkeley Packet Filter format for capture filtering, as this is the format used by Libpcap and Winpcap libraries for capturing of packets at the NIC. It's generally not possible to use BPF for display filters, however certain filters do overlap. BPF filter 'tcp port 25 and host 192.168.

How is BPF measured?

The BPF standard ignores bat swing speed and is calculated as the ratio of the batted-ball coefficient of restitution (BBCOR) divided by the coefficient of restitution (COR) of the ball itself (i.e. the COR from a solid reference standard).

What is a Tball bat?

Tee Ball Bats (or t-ball bats) are extremely lightweight and designed for kids six years old and younger. Tee ball bats are specially made to only hit off of a tee, not live pitching. These bats have a 2” barrel diameter and a -10 to -13.5 length to weight ratio.

Can you use a Tball bat for baseball?

Yes. Under the USABat standard, certified tee ball bats will feature the USA Baseball mark and text which reads ONLY FOR USE WITH APPROVED TEE BALLS.