Offensive rating
Encyclopedia
"Offensive Rating" is a statistic used in basketball
Basketball
Basketball is a team sport in which two teams of five players try to score points by throwing or "shooting" a ball through the top of a basketball hoop while following a set of rules...

 to measure either a team's offensive performance or an individual player's efficiency at producing points for the offense. It was created by author and statistician Dean Oliver.

For teams, the formula is: 100 x Pts / (Tm FGA + .04 x Tm FTA - 1.07 x (Tm ORB / (Tm ORB + Tm DRB)) x (Tm FGA - Tm FG) + Tm TO)

For players, the formula is: Offensive Rating = (Points Produced / Individual Possessions) x 100

Points can be produced through field goals
Field goal (basketball)
In basketball, the term field goal refers to a basket scored on any shot or tap other than a free throw, worth two or three points depending on the distance of the attempt from the basket. "Field Goal" is the official terminology used by the National Basketball Association in their rule book,...

, free throw
Free throw
In basketball, free throws or foul shots are unopposed attempts to score points from a restricted area on the court , and are generally awarded after a foul on the shooter by the opposing team...

s, assists
Assist (basketball)
In basketball, an assist is attributed to a player who passes the ball to a teammate in a way that leads to a score by field goal, meaning that he or she was "assisting" in the basket. There is some judgment involved in deciding whether a passer should be credited with an assist...

, and offensive rebounds
Rebound (basketball)
A rebound in basketball is the act of successfully gaining possession of the basketball after a missed field goal or free throw. Rebounds in basketball are a routine part in the game, as all possessions change after a shot is successfully made...

. Individual possessions are the sum of a player's scoring possessions (field goals, free throws, plus partial credit for assists), missed field goals and free throws that the defense rebounds, and turnovers.
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