Sports math, solved instantly.

Calculate a pitcher's earned run average from earned runs and innings pitched.

Calculate a pitcher's WHIP (walks + hits per inning pitched) from walks, hits, and innings pitched.

Calculate batting average (AVG) from hits and at bats.

Calculate OPS (on-base plus slugging) from hits, at bats, total bases, walks, hit by pitch, and sacrifice flies.

Calculate fielding percentage (FPCT) from putouts, assists, and errors.

Calculate slugging percentage (SLG) from singles, doubles, triples, home runs, and at bats.

Calculate on-base percentage (OBP) from hits, walks, hit by pitch, at bats, and sacrifice flies.

Convert baseball innings pitched notation (.1/.2 for outs) into true decimal innings and total outs.

Calculate a pitcher's strikeout-to-walk ratio (K/BB) from strikeouts and walks.

Calculate a pitcher's walks per nine innings (BB/9) from walks allowed and innings pitched.

Calculate a pitcher's strikeouts per nine innings (K/9) from strikeouts and innings pitched.

Look up Little League pitch limits: the maximum pitches per day by league age and the required rest days from pitches thrown.

Calculate the NFL's official quarterback passer rating from completions, yards, touchdowns, and interceptions.

Calculate yards per carry (YPC) from rushing yards and carries.

Calculate a quarterback's completion percentage from completions and attempts.

Calculate a quarterback's yards per attempt (Y/A) from passing yards and attempts.

Calculate true shooting percentage, the shooting-efficiency stat that accounts for free throws and threes.

Calculate effective field goal percentage (eFG%) from field goals made, three-pointers made, and field goal attempts.

Calculate assist-to-turnover ratio (AST/TOV) from assists and turnovers.

Calculate John Hollinger's Game Score (GmSc), a single-game efficiency score built from box score totals.

Calculate a goaltender's save percentage from saves and shots against.

Calculate a goaltender's goals against average (GAA) from goals allowed and minutes played.

Calculate a hockey player's plus/minus (+/-) from goals for and goals against while on the ice.

Calculate a hockey player's points per game (P/GP) from goals, assists, and games played.

Convert a Handicap Index into a Course Handicap for a specific course and tee, using the official World Handicap System formula.

Calculate a golf round's Score Differential from Adjusted Gross Score, Course Rating, and Slope Rating, using the official World Handicap System formula.

Calculate a golfer's Handicap Index from recent rounds' Score Differentials, using the official World Handicap System table and formula.

Calculate a golfer's scoring average from total strokes and rounds played.

Calculate a soccer player's goals and assists per 90 minutes, the standard scouting stat for comparing output across playing time.

Calculate a soccer player or team's pass completion percentage from completed and attempted passes.

Calculate a soccer team or goalkeeper's clean sheet percentage from clean sheets and matches played.

Calculate a soccer player or team's shot accuracy (shots on target percentage) from shots on target and total shots.