🏀 Basketball Efficiency Calculator

Type in a box score and get the metrics the analysts use: Game Score, effective and true shooting percentage, points per shot and assist-to-turnover ratio — all with the exact formulas and a plain-English verdict.

The exact formulas

Game Score = PTS + 0.4×FGM − 0.7×FGA − 0.4×(FTA − FTM) + 0.7×OREB + 0.3×DREB + STL + 0.7×AST + 0.7×BLK − 0.4×PF − TOV. Effective FG% = (FGM + 0.5×3PM) ÷ FGA — it credits the extra point for threes. True Shooting% = PTS ÷ (2 × (FGA + 0.44×FTA)) — it folds in free throws.