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Baseball Pitching Statistics Calculator

This calculator requires the use of Javascript enabled and capable browsers. This calculator is designed to give all of the normally kept baseball (and softball) pitching statistics in one calculation. The formulas are listed below but you may also visit our Baseball Pitching Stats Formulae page. Enter the data that you have in the required data section. Then click on Calculate. You may change a field and re-calculate with other values remaining the same. You may also click on Clear Values and reset all fields and results to initial value defaults. If you only want a certain calculation, you may enter only the data required to save time and energy. (The formulae below will give you a good idea of what is required for each result function to properly calculate.) Then click on Calculate. You do NOT have to erase a default value in each field; the system will do it for you but ONLY defaults. All of the fields are set to default to zero (0) if not edited. (If you need to enter a partial inning, .3333 is for a third of an inning, IE one out. Two thirds is .6666 in the entry field.) All of the result fields are for calculated answers only and ARE NOT editable. All fields require NUMERIC entry only! Please see our defensive stats calculator, or our pitching and defensive stats combined calculator.

Baseball Pitching Statistics Calculator
Pitching Required Data Entry
Opponent Official At Bats
Opponent Hits
Earned Runs Scored
Innings Pitched
Strike Outs
Home Runs
Batters Hit By Pitches
Pickoff Attempts
Games Won Pitching
Games Lost Pitching

Calculated Pitching Results
Decision Games
Games Won Percentage
Games Lost Percentage
Earned Run Average
Opponent Batting Average
Base On Balls Percentage
Strikeout Percentage
Pickoff Ratio
Pickoff Percentage
Hit Batter Ratio
Walks Per At Bat Ratio
Walks Per Inning Pitched Ratio
Home Run Ratio
Strike Out Ratio
Strike Out Per Walk Ratio
Walks And Hits Per Inning (WHIP)
Hits Per Inning (HIP)
Version 1.3.9
These are the formulae used in determining the statistics calculations:

Earned Run Average = Earned Runs * 9 / Innings Pitched

Strikeout Percentage = Strikeouts / Official At Bats

Base On Balls Percentage = Walks / Official At Bats

Pickoff Ratio = Pickoff Attempts / Pickoffs

Pickoff Percentage = Pickoffs / Pickoff Attempts

Decision Games = Pitching Games Won + Pitching Games Lost

Hit Batter Ratio = Official At Bats / Batters Hit By Pitches

Walks At Bats Ratio = Official At Bats / Walks

Walks Inning Pitched Ratio = Walks / Innings Pitched

WHIP = Walks + Hits / Innings Pitched

HIP = Hits / Innings Pitched

Home Run Ratio = Official At Bats / Home Runs

Strike Out Ratio = Official At Bats / Strike Outs

Games Won Percentage = Games Won / Games Won + Games Lost (Decision Games Played)

Games Lost Percentage = Games Lost / Games Won + Games Lost (Decision Games Played)

See our Baseball Pitching Stats Formulae page.

Formulae based on information from Major League Baseball and Baseball Scorecard.

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