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Free throw shooting is one of the most separable skills in basketball. Unlike most basketball actions, it occurs in a completely controlled environment with no defense. A free throw calculator lets you work out your shooting percentage, compare it to NBA averages, and figure out the probability of making a streak of consecutive free throws.
Free throw percentage (FT%) = Made / Attempted × 100. A player who makes 75 of 100 free throws shoots 75%. The NBA league average historically sits around 77%, as tracked by Basketball Reference. Elite free throw shooters like Steve Nash and Ray Allen have maintained above 90% career averages.
Free Throw Percentage Benchmarks
| FT% | Rating | NBA Comparison |
|---|---|---|
| 90%+ | Elite | Top 5% of NBA players |
| 80-90% | Good | Above average NBA player |
| 70-80% | Average | NBA league average range |
| Below 70% | Below average | Among worst NBA shooters |
With that in mind, below-average free throw shooting becomes strategically exploitable through the "Hack-a-Shaq" strategy, where opponents deliberately foul poor free throw shooters to limit easy points.
Streak Probability Calculation
The probability of making k consecutive free throws is FT%^k. For a 75% shooter, the probability of making 10 in a row is 0.75^10 = 5.63%. For a 90% shooter, that probability rises to 0.90^10 = 34.87%. Given that, this metric illustrates the compounding effect of each percentage point of improvement on clutch performance.
On top of that, the expected number of makes per 10 free throw attempts = FT% × 10. A 75% shooter expects 7.5 makes per 10 attempts, meaning they will typically make 7 or 8. Use our Basketball Shooting Calculator for complete field goal analysis or the Points Per Game Calculator to work out scoring averages. The FIBA basketball rules define free throw procedure and shot clock regulations.
Why Free Throws Matter
Free throws are unguarded shots worth 1 point each. A team that shoots 80% from the free throw line instead of 70% effectively adds roughly 2-4 extra points per game over a typical 25-35 free throw attempts. As a result, free throw shooting directly affects win-loss outcomes in close games. Research from PLOS ONE basketball analytics research confirms that free throw margin is one of the strongest predictors of game outcome in the NBA.
To narrow down improvement areas, track your free throw percentage in practice versus games. Many players shoot 5-10% better in practice than in games due to pressure, fatigue, and contextual distractions. Build up a pre-shot routine to carry out consistent mechanics regardless of game situation.