Handicap Differential Calculator

Determine the exact statistical value of a single round. Your differential is the metric used to calculate your official Handicap Index.

Adjusted Gross Score

Your total score after applying Net Double Bogey maximums.

Course Rating

The expected score for a scratch golfer.

Slope Rating

The relative difficulty for a bogey golfer compared to a scratch golfer (Standard is 113).

Differential

JavaScript Required

This calculator requires JavaScript to function. To calculate manually, use the formula:
(Score - Course Rating) x 113 / Slope Rating