The eFG% calculator show player’s true shooting efficiency by weighing different shot types appropriately with eFG% = (FGM + (0.5 × 3PM)) ÷ FGA × 100 formula.
If Player A makes 5 out of 10 two-point shots (50% FG) and Player B makes 4 out of 10 three-point shots (40% FG), traditional field goal percentage would suggest Player A is more efficient. But Player B actually scored more points (12 vs. 10) with the same number of attempts, which eFG% accounts for.
Consider Stephen Curry’s performance in a game:
- Made 8 two-point field goals out of 12 attempts
- Made 6 three-point field goals out of 10 attempts
Effective Field Goal Percentage Calculator
| Player | 2PM | 2PA | 3PM | 3PA | Total FGM | Total FGA | eFG% |
|---|---|---|---|---|---|---|---|
| Player A | 8 | 12 | 3 | 7 | 11 | 19 | 65.8% |
| Player B | 6 | 10 | 5 | 10 | 11 | 20 | 67.5% |
| Player C | 10 | 15 | 2 | 6 | 12 | 21 | 61.9% |
| Player D | 5 | 8 | 4 | 9 | 9 | 17 | 64.7% |
| Player E | 7 | 14 | 6 | 11 | 13 | 25 | 66.0% |
| Player F | 9 | 16 | 3 | 5 | 12 | 21 | 61.4% |
| Player G | 4 | 9 | 7 | 13 | 11 | 22 | 62.5% |
| Player H | 11 | 18 | 1 | 4 | 12 | 22 | 58.2% |
| Player I | 8 | 15 | 5 | 10 | 13 | 25 | 64.0% |
| Player J | 12 | 20 | 2 | 3 | 14 | 23 | 61.0% |
Effective Field Goal Percentage Calculation Formula
The eFG% formula is:
eFG% = (FGM + (0.5 × 3PM)) ÷ FGA × 100
Where:
FGM = Field Goals Made (both 2-point and 3-point)
3PM = Three-Point Field Goals Made
FGA = Field Goal Attempts (both 2-point and 3-point)This formula adds an extra 0.5 value for each three-pointer made, reflecting the 50% extra point value of a three-pointer compared to a two-pointer.
Let’s calculate Kevin Durant’s eFG% for a game where he:
- Made 10 field goals total (7 two-pointers, 3 three-pointers)
- Attempted 18 shots total (12 two-point attempts, 6 three-point attempts)
eFG% = (10 + (0.5 × 3)) ÷ 18 × 100
= (10 + 1.5) ÷ 18 × 100
= 11.5 ÷ 18 × 100
= 63.9%How to Calculate Effective Field Goal Percentage?
To calculate eFG%, follow these steps and use eFG% = (FGM + (0.5 × 3PM)) ÷ FGA × 100 formula.
- Count total field goals made (both 2-point and 3-point)
- Count three-pointers made separately
- Count total field goal attempts
- Apply the formula:
- Multiply three-pointers made by 0.5
- Add this to total field goals made
- Divide by total attempts
- Multiply by 100 for percentage
Jayson Tatum’s eFG% for a game:
- Made 9 two-point field goals on 15 attempts
- Made 4 three-point field goals on 8 attempts
Total FGM = 13 (9 + 4)
3PM = 4
Total FGA = 23 (15 + 8)
eFG% = (13 + (0.5 × 4)) ÷ 23 × 100
= (13 + 2) ÷ 23 × 100
= 15 ÷ 23 × 100
= 65.2%What is a Good Effective Field Goal Percentage?
In the NBA, eFG% values typically fall within these ranges:
- Excellent: Above 58%
- Very Good: 54-57%
- League Average: 52-53%
- Below Average: 48-51%
- Poor: Below 48%
The league average eFG% has increased over time with the rise of three-point shooting. Centers typically have higher eFG% due to taking shots closer to the basket, while guards might have lower raw percentages but can make up for it with three-point volume.
Nikola Jokić’s performance in the 2022-23 season:
- eFG% of 63.2%
- Rated as excellent due to high-percentage shots near the rim and efficient three-point shooting.
References
- Basketball Reference – Advanced Statistics Glossary https://www.basketball-reference.com/about/glossary.html
- NBA Stats – Official NBA Statistics https://www.nba.com/stats
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