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Basketball True Shooting from Points & Attempts

Calculate true shooting percentage using the conventional 0.44 free-throw weighting, including zero free-throw attempts and values above 100%.

Formula & worked example
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How to use this calculator

Enter the known values in the units shown. Results update as you type.
Where results are editable, change one to solve backwards. Lock a value to hold it fixed.
Use the worked example to check the method. Reset restores the starting fields.

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Inputs and results stay in this browser tab. Bookify does not upload or store the values you enter.

Formula and method

25 points from 20 field-goal attempts and no free-throw attempts gives true shooting of 62.5%. Three points from a single field-goal attempt gives 150%.

TS% = points / [2 × (FGA + 0.44 × FTA)] × 100

Worked example

Enter these known values and leave the other values blank.

Points scored by a player: 25
Field goal attempts (FGA): 20
Free throw attempts (FTA): 0

True shooting percentage (TS%): 62.5 %

Assumptions and limitations

Enter nonnegative whole counts from the same reporting period. The weighted attempt denominator must be positive.
The retained 0.44 factor is a conventional aggregate weighting. It is not an exact reconstruction of possessions from play-by-play events.
True shooting can exceed 100%, so that value is not used as an upper cutoff. Entered points cannot exceed three per field-goal attempt plus one per free-throw attempt.

Common questions

Does 150% mean an input error?

Not necessarily. One made three-pointer on one field-goal attempt with no free throws gives 3/(2 × 1) = 1.5, displayed as 150%.

References

Bookify allows zero event counts and true-shooting values above 100%, while requiring a positive weighted denominator and physically consistent whole counts.

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