Golf Handicap Index Calculation - Tutorial, Example

Handicap Index is the measure used in Golf game to estimate the player's potential. It is calculated based on the USGA course slope and course rating. This online tutorial helps to learn how to calculate the golf handicap index.

How to Calculate Handicap Index in Golf?

Handicap Index can be calculated using the USGA (United States Golf Association) Slope and Course Rating.

Example :

A golf player attends 5 rounds and his adjusted gross scores are 75, 73, 80, 85, 90 and the USGA Course rating is 61.2,60, 68, 71, 67 slope rating is 110, 113, 117, 130, 121. Step 1 : Find the player's handicap differential, For 1st round = [(75 - 61.2) x 113] / 110 Round #1 = [13.8 x 113] / 110 = 14.17 For 2nd round = [(73-60) x 113] / 113 Round #2 = 13 For 3rd round = [(80-68) x 113]/117 Round #3 = 11.59 For 4th round = [(85-71)x113] / 130 Round #4 = 12.17 For 5th round = [(90-67) x 113 ] / 121 Round #5 = 21.48 Therefore the handicap differential values are : 14.17, 13, 11.59, 12.17, 21.48. Step 2 : To find the golf handicap index, Arrange the handicap differentials of all rounds in ascending order : 11.59, 12.17, 13, 14.17, 21.48.
Step 3 : Find the number of differentials used based on the rounds entered. You can use the below table to find the number of differentials.

Rounds EnteredDifferentials Used
5-61 lowest
7-8 2 lowest
9-10 3 lowest
11-124 lowest
13-14 5 lowest
15-16 6 lowest
177 lowest
188 lowest
199 lowest
2010 lowest

In this example, the player has entered for 5 rounds and hence, the number of differentials is 1.
So, the differential value here is 11.59
Hence, Sum of differentials = 11.59
Step 4 : Substituting the values in the Golf Handicap index (HI) formula, HI = (11.59 / 1) x 0.96 HI = 11.1264 Hence, you can use this tutorial to learn how to calculate golf handicap index.


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