Baseball Calculators

Base-Out Wins Added quantifies a player's contribution to winning by measuring the change in run expectancy during each plate appearance, independent of game context.

Runs Above Average in base running measures a player's impact through stolen bases, caught stealings, and advancement on batted balls, indicating their relative performance.

Base-Out Wins Saved measures how defensive plays impact run expectancy and translates that into a win probability, utilizing a runs-per-win conversion factor.

Championship Win Probability Added quantifies a team's title chances by comparing pre-game and post-game odds, reflecting a single game's impact on championship prospects.

BB/9 measures a pitcher's control by calculating the average walks allowed per nine innings, indicating efficiency and command of the strike zone in baseball.

Defensive Runs Above Average measures a fielder or team's defensive performance by comparing actual runs allowed to expected runs, indicating above or below average defense.

FIP assesses a pitcher's performance by focusing on strikeouts, walks, hit batters, and home runs, providing a clearer evaluation of pitching effectiveness.

Earned Run Average measures earned runs allowed by a pitcher per nine innings, providing insights into performance while excluding unearned runs from defensive errors.

H/9 is a pitching metric estimating hits allowed over nine innings, aiding comparison between pitchers while highlighting contact management trends and predicting performance factors.

K/9 measures how many batters a pitcher strikes out in nine innings, enabling fair comparisons between starters and relievers regardless of innings pitched.