WAR Calculator
Calculate baseball WAR for position players and pitchers using FanGraphs-style sabermetric components.
Wins Above Replacement (WAR)
WAR is a sabermetric statistic that summarizes a baseball player's total value in wins compared to a replacement-level player. It combines offensive, defensive, and positional contributions for hitters, or run prevention for pitchers.
Position Player WAR
Position player WAR sums batting runs, baserunning runs, fielding runs, positional adjustment, league adjustment, and replacement runs, then divides by runs per win. A WAR of 2+ indicates a solid starter; 5+ is MVP caliber.
Pitcher WAR
Pitcher WAR uses Fielding Independent Pitching (FIP) compared to league average, adjusted for innings pitched, leverage (for relievers), and replacement level. Better pitchers allow fewer runs independent of defensive support behind them.
Frequently Asked Questions
What is a good WAR for a position player?
0 WAR is replacement level. 2 WAR is a solid everyday player, 4 WAR is All-Star caliber, and 6+ WAR is MVP-level production.
How is pitcher WAR different from hitter WAR?
Pitcher WAR focuses almost entirely on run prevention via FIP, innings pitched, and leverage. Position player WAR combines hitting, baserunning, and fielding contributions.
What is runs per win?
Runs per win converts run value into wins. It typically ranges from 9 to 10 and varies by league run-scoring environment and era.
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