Baseball Calculators


  • Pythagorean Expectation – where win percentage “should” be based only on runs for and against. May be an indicator of when a team is due for a winning or losing streak.



  • Fielding Percentage (FCPT) – a fielder’s number of putouts and assists in comparison to the total number of opportunities for putouts and assists.
  • Range Factor (RF) – The average number of outs and assists a fielder produces for each regulation game.
  • Total Chances (TC) – The total number of plays a defensive player has participated in.