calculate goals against average

Goals Against Average Calculator

Goals Against Average (GAA): 0.00

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🥅 Calculate Goals Against Average (GAA)

Introduction

In sports like hockey and soccer, the Goals Against Average (GAA) is a key statistic used to measure a goaltender’s or team’s defensive performance. It represents the average number of goals allowed per game or per standard time unit, and it's a go-to metric for comparing goalies and defenses.


Why It Matters

GAA offers a clear snapshot of a goalie’s effectiveness:

  • Measures defensive reliability
  • 🧮 Used in player rankings and award criteria
  • 📊 Helps coaches analyze performance over time
  • 🏒 Standard stat for goalies in NHL, soccer, lacrosse, and more

Lower GAA = better performance.


How to Calculate Goals Against Average

The formula varies slightly depending on the sport, but the standard is:

📐 GAA Formula (Hockey/Lacrosse):

GAA=(Goals Allowed×60Minutes Played)\text{GAA} = \left( \frac{\text{Goals Allowed} \times 60}{\text{Minutes Played}} \right)GAA=(Minutes PlayedGoals Allowed×60​)

  • Goals Allowed = total number of goals given up
  • Minutes Played = total minutes the goalie was on the ice
  • Multiply by 60 to scale it to per 60 minutes (one game)

⚽ GAA Formula (Soccer):

GAA=(Goals AllowedGames Played)\text{GAA} = \left( \frac{\text{Goals Allowed}}{\text{Games Played}} \right)GAA=(Games PlayedGoals Allowed​)

Since soccer matches are always 90 minutes long, no time adjustment is needed unless the goalie didn’t play full games.


Examples

🏒 Hockey Goalie

  • Goals Allowed: 45
  • Minutes Played: 1,200

(45×601,200)=2.25\left( \frac{45 \times 60}{1,200} \right) = 2.25(1,20045×60​)=2.25

GAA = 2.25

⚽ Soccer Goalie

  • Goals Allowed: 18
  • Games Played: 12

1812=1.5\frac{18}{12} = 1.51218​=1.5

GAA = 1.5


Who Uses GAA?

  • 🧊 Hockey goalies (NHL, college, amateur)
  • ⚽ Soccer goalkeepers
  • 🥍 Lacrosse goalies
  • 📣 Analysts and broadcasters
  • 🧑‍🏫 Coaches scouting players or tracking trends
  • 🏆 Fantasy sports and fan stats communities

GAA vs Save Percentage (SV%)

While GAA tells you how many goals a goalie allows per game, save percentage (SV%) tells you how many shots they stop. Both stats together provide a full picture of goalie performance.