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.

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.

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.

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.

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.

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.

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

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

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.

ISO measures a hitter's extra-base potential by calculating the difference between slugging percentage and batting average, focusing solely on doubles, triples, and home runs.