Golf Score Differential Calculator
Your score differential measures how well you played a round relative to the difficulty of the tees. It's the USGA building block of your Handicap Index. Your index is the average of your best 8 differentials from your last 20 rounds.
Formula
Differential = (113 ÷ Slope Rating) × (Adjusted Gross Score − Course Rating)
Calculator
Your differential: -
Track it automatically
AGI Golf computes your differential and handicap index automatically.
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