Effective Field Goal Percentage Calculator
Calculate Effective Field Goal Percentage (eFG%) with step-by-step formulas, shooting efficiency analysis, performance rating, and visual breakdown of 2-point vs 3-point contributions.
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About Effective Field Goal Percentage Calculator
Welcome to the Effective Field Goal Percentage (eFG%) Calculator, an advanced basketball analytics tool that calculates your true shooting efficiency by accounting for the extra value of 3-point shots. Whether you are a player tracking personal performance, a coach analyzing team statistics, or a basketball enthusiast diving into analytics, this calculator provides comprehensive shooting efficiency analysis with step-by-step calculations and visual breakdowns.
What is Effective Field Goal Percentage (eFG%)?
Effective Field Goal Percentage (eFG%) is an advanced basketball statistic that adjusts traditional field goal percentage to account for the fact that 3-point shots are worth 50% more than 2-point shots. Traditional FG% treats all made field goals equally, but eFG% gives appropriate credit for the higher value of 3-pointers, providing a more accurate measure of shooting efficiency.
This metric has become essential in modern basketball analytics, used by NBA teams, college programs, and analytical platforms to evaluate player and team shooting performance.
eFG% Formula
Where:
- FGM = Field Goals Made (total made 2-pointers + 3-pointers)
- 3PM = Three-Pointers Made
- FGA = Field Goals Attempted (total 2-point + 3-point attempts)
Why 0.5 Multiplier?
The 0.5 multiplier represents the extra value of a 3-point shot compared to a 2-point shot. Since a 3-pointer is worth 50% more points (3 vs 2), each made 3-pointer receives a 0.5 bonus. This effectively converts 3-point makes into "2-point equivalents" for fair comparison.
How to Use This Calculator
- Enter Field Goals Made (FGM): The total number of field goals you made (both 2-pointers and 3-pointers combined).
- Enter Field Goals Attempted (FGA): The total number of field goal attempts (both 2-point and 3-point attempts).
- Enter Three-Pointers Made (3PM): The number of 3-point shots you made.
- Calculate: Click the button to see your eFG%, comparison with traditional FG%, points breakdown, and efficiency rating.
eFG% Benchmarks and Ratings
Understanding your eFG% in context is important. Here are general benchmarks based on NBA standards:
| eFG% Range | Rating | Interpretation |
|---|---|---|
| 60% and above | Elite | All-Star caliber efficiency, exceptional shooting |
| 55% - 59.9% | Excellent | Above league average, very efficient scorer |
| 50% - 54.9% | Good | Around league average, solid shooting |
| 45% - 49.9% | Below Average | Below league average, room for improvement |
| Below 45% | Poor | Significant improvement needed |
eFG% vs Traditional FG%: Why It Matters
Traditional FG% can be misleading because it treats all made shots equally. Consider these two players:
- Player A: Makes 5 of 10 two-pointers = 50% FG%, 10 points
- Player B: Makes 4 of 10 three-pointers = 40% FG%, 12 points
Traditional FG% says Player A is more efficient (50% vs 40%), but Player B actually scored more points on the same number of attempts! eFG% corrects this:
- Player A eFG%: (5 + 0) / 10 × 100 = 50%
- Player B eFG%: (4 + 0.5×4) / 10 × 100 = 60%
eFG% correctly shows that Player B (60%) was more efficient than Player A (50%).
Understanding Your Results
Primary Metrics
- eFG%: Your effective field goal percentage - the main result
- Traditional FG%: Standard field goal percentage for comparison
- Points Per Attempt: Average points scored per field goal attempt
- Efficiency Rating: Performance assessment based on eFG% benchmarks
Points Breakdown
- 2-Point Contribution: Points from 2-point field goals and their percentage of total
- 3-Point Contribution: Points from 3-point field goals and their percentage of total
- Total Points: Combined points from all made field goals
eFG% in Modern Basketball Analytics
eFG% has become one of the "Four Factors" of basketball success, a framework developed by basketball statistician Dean Oliver. Teams with higher eFG% tend to win more games, making it a crucial metric for:
- Player Evaluation: Comparing shooting efficiency across different player types
- Team Strategy: Optimizing shot selection for maximum efficiency
- Game Analysis: Understanding why teams win or lose
- Contract Decisions: Evaluating player value and contribution
Related Basketball Metrics
True Shooting Percentage (TS%)
TS% is similar to eFG% but also includes free throws in the calculation. It provides the most complete picture of scoring efficiency:
Points Per Shot (PPS)
A simpler metric showing average points per field goal attempt:
Frequently Asked Questions
What is Effective Field Goal Percentage (eFG%)?
Effective Field Goal Percentage (eFG%) is an advanced basketball statistic that adjusts traditional field goal percentage to account for the fact that 3-point shots are worth 50% more than 2-point shots. The formula is eFG% = (FGM + 0.5 × 3PM) / FGA × 100. This gives a more accurate picture of a player's shooting efficiency.
What is a good eFG% in basketball?
In the NBA, the league average eFG% is typically around 52-54%. An eFG% above 55% is considered excellent, above 60% is elite (All-Star level), while below 50% indicates below-average shooting efficiency. For reference, the best shooters in the NBA often have eFG% above 60%.
Why is eFG% better than traditional FG%?
Traditional FG% treats all made shots equally, but a made 3-pointer is worth 1.5 times a made 2-pointer. eFG% corrects this by giving extra credit for 3-pointers. For example, a player shooting 40% on 3-pointers is actually more efficient than one shooting 50% on 2-pointers, which eFG% correctly reflects.
How does eFG% relate to True Shooting Percentage (TS%)?
Both are shooting efficiency metrics, but they measure different things. eFG% only considers field goals (2-pointers and 3-pointers), while TS% also includes free throws in the calculation. TS% gives the most complete picture of scoring efficiency, but eFG% is useful for analyzing field goal shooting specifically.
What does the 0.5 multiplier mean in the eFG% formula?
The 0.5 multiplier represents the extra value of a 3-point shot compared to a 2-point shot. Since a 3-pointer is worth 50% more points (3 vs 2), each made 3-pointer gets a 0.5 bonus in the formula. This effectively converts 3-point makes into "2-point equivalents" for fair comparison.
Additional Resources
Reference this content, page, or tool as:
"Effective Field Goal Percentage Calculator" at https://MiniWebtool.com/efg-calculator/ from MiniWebtool, https://MiniWebtool.com/
by miniwebtool team. Updated: Jan 29, 2026