Park Factors by Stadium

What is Park Factor?

Park Factor (PF) measures how a stadium affects the scoring environment. Stadium dimensions, wind, altitude, and fence height all play a role.

Formula: (Stadium Runs Per Game / League Runs Per Game) × 1000

1050+: Strong hitter-friendly
1020-1049: Mild hitter-friendly
980-1019: Neutral
Below 980: Pitcher-friendly