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

Score Course Rating Slope Rating

Your differential: -

Track it automatically

AGI Golf computes your differential and handicap index automatically. Download it on the App Store.