BABIP Calculator
Batting Average on Balls in Play. Find out if you're hitting the cover off the ball or just getting lucky.
At Bats (AB)
Total Hits (H)
Home Runs (HR)
Strikeouts (K)
Sacrifice Flies (SF)
BABIP Formula
(Hits - HR) ÷ (At Bats - Strikeouts - HR + Sac Flies)
What does BABIP tell us?
BABIP removes Home Runs and Strikeouts from the equation because the defense has zero opportunity to make a play on them. It looks strictly at what happens when the ball is hit into the field of play.
- The "Luck" Factor: A typical MLB average BABIP is .300. If a player is hitting .360 BABIP, analysts often predict "regression to the mean," meaning the player is getting lucky (finding holes in the defense) and their average will eventually drop. Conversely, a player with a .240 BABIP might just be hitting the ball right at people and is due for some good luck.
- Skill Matters Too: It isn't all luck. Fast players who can beat out ground balls, or elite power hitters who hit scorching line drives, naturally sustain a higher BABIP (around .330) because their balls in play are harder for defenses to convert into outs.
- Pitchers have BABIP too! The formula is identical for pitchers. If a pitcher has a very high BABIP, it might mean their defense is playing poorly behind them, or they are getting unlucky with seeing-eye singles.