Definition – What is True Shooting Percentage?
True Shooting Percentage (TS%) balances points, field goal attempts, and free throw attempts. The intention is to show a player’s ability to score.
Compared with Field Goal Percentage (FG%), TS% considers the difference between 2 pointers, 3 pointers, and free throws.
Compared with Effective Field Goal Percentage (eFG%), it takes into account free throws.
Critics of TS% point out that the formula has difficulties near the extremes where a player has more than a 100% TS%.
Formula – How to calculate True Shooting Percentage
TS% = Points ÷ ((2 x Field Goal Attempts) + (0.88 x Free Throw Attempts)
- “Points” is the number of points scored by the player.
- “Field Goal Attempts” is the number of attempted shots (both 2 and 3 point shots).
- “Free Throw Attempts” is the number of attempted free throws.
A player has 1851 points scored across 1205 field goal attempts and 665 free throw attempts.
TS% = 1851 ÷ ((2 x 1205) + (0.88 x 665)
TS% = 1851 ÷ (2410 + 585.2)
TS% = 1851 ÷ 2995.2
TS% = 0.618
The player’s true shooting percentage would be 0.618, or 61.8%.
- Glossary entries on true shooting percentage from Wikipedia and Sports Reference.
- More on true shooting percentage with Orlando Pinstriped Post – “Advanced Metrics Handbook, vol 2: True Shooting Percentage”
- Statistical leaders in TS% from ESPN.
- Guides to advanced basketball statistics with Burnt Orange Nation – “An Introduction to Advanced Basketball Statistics: Understanding Possession Estimation and the Factors that Control Efficiency”, Sporting Charts – “Statistical Analysis Primer”,Oklahoma City Thunder – What does possession in Basketball mean?
- Look up rules for basketball terms with the Official National Basketball Association Guide, Official Rules of the National Basketball Association, 2014-2015 Official NCAA Basketball Statisticians’ Manual, and FIBA’s Official Basketball Statisticians’ Manual 2018.