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Lacrosse Goals Against Average (GAA) Calculator

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11.32

What is Goals Against Average?

Goals Against Average is a statistic in used in lacrosse (as well as ice hockeyfield hockey, water polo, soccer (association football) and other sports with a goalie) that is used to put a goalie’s number of goals allowed into perspective with their total playing time.

It is intended to give a measure of how many goals the goalie allows per unit of regulation game time.

It is considered one statics among a number of other ones, including win/loss ratio and save percentage that are used to help measure a goalie’s capability.

Equation

In lacrosse, goals against average (GAA) is calculated as follows:
Goals Against Average = (goals against x game length) / minutes played.

Example

If a goalie has been in net for 954 minutes, has allowed 180 goals in that time, and regulation time for the league they play in is 60 minutes per game:

180 goals against times 60 minute game length is 10,800.

10,800 divided by 954 minutes played is 11.32

Therefore, the goalie’s Goals Against Average (GAA) is 11.32

What counts as a “Goal Against”?

In lacrosse, a “goal against” is a goal that occurs while the goalie is assigned the position of the goalkeeper.

If the goalie is not on the field of play at the time when the goals happens, a goal against the team does not cont against the goalie’s GAA.

Rules for what qualifies as a goal can be found with the Federation of International Lacrosse (other leagues with alternative rules may have different scoring regulations).

What counts as a “Minute Played”?

Each minute that the goalie is an active player in a game is counted as a “minute played”.

What is “Game Length”?

Game length varies depending on the league.
Lacrosse matches have a game length of 60 minutes (4 quarters of 15 minutes). Recreational leagues may have shorter halves.