Baseball Park Factor Calculator

Calculate Park Factor - measure how a stadium affects run scoring compared to league average

Home Games

Runs Scored (Home)

Runs Allowed (Home)

Home Games

Away Games

Runs Scored (Away)

Runs Allowed (Away)

Away Games

About Park Factor

Park Factor measures how a stadium affects run scoring. A factor of 100 is neutral. Above 100 indicates a hitter-friendly park (like Coors Field), while below 100 indicates pitcher-friendly (like Oracle Park). Park factors are essential for comparing players across different home ballparks.