How to Calculate a Golf Course Handicap
Play golf!, Determine your adjusted gross score., Find the course slope., Determine your handicap differential., Repeat these steps for every score., Select your best handicap differentials., Average your best differentials., Determine your handicap...
Step-by-Step Guide
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Step 1: Play golf!
To determine your handicap differential and index, you will first need some golf scores to work with.
For the best results, work with at least five scores, but using 20 scores is preferable.Tally your gross score from every individual game.
The gross score is the actual number of strokes taken over an entire course. -
Step 2: Determine your adjusted gross score.
On any hole where you’ve exceeded the maximum allowable strokes, deduct the necessary number of strokes.
For instance, if you took nine strokes on a hole but have a maximum allowable score of seven, subtract two from your score for that hole.
Recount your total for the course using the adjusted numbers.
The United States Golf Association’s equitable stroke control uses the following guidelines for a course handicap of:
Nine or less: maximum score per hole is a double bogey 10 to 19: maximum score is seven 20 to 29: maximum score is eight 30 to 39: maximum score is nine 40 and above: maximum score is 10 (use this default if you haven't yet determined your handicap) , While the course rating is the difficulty rating for a golfer who shoots par (on average), the course slope is the difficulty rating based on a bogey golfer.
A bogey golfer is a player who shoots 18 strokes over par, on average.The course rating and slope for a particular course are usually found on the score card.
You can also check at the clubhouse, or on the course's website. , This is a calculation involving the difference between your adjusted gross score and the course rating.
The equation to determine this is: (Adjusted gross score
- course rating) x 113 ÷ slope rating Round this number to the nearest tenth., Always use your most recent scores, up to a maximum of
20. , Choose your 10 best (lowest) differentials if you are working with 20 scores.
If you don’t yet have 20 scores to work with, select:
Your top differential out of five or six Your top two differentials out of seven or eight Your top three differentials out of nine or 10 Your top four differentials out of 11 or 12 Your top five differentials out of 13 or 14 Your top six differentials out of 15 or 16 Your top seven differentials out of 17 Your top eight differentials out of 18 Your top nine differentials out of 19 , Add all the scores together, then divide that number by the amount of scores you're working with.
For instance, if you’re working with 10 scores, add all 10 together and then divide that by 10; if you’re working with three differentials, divide the sum by three. , Multiply your differential average by 96 percent, or
0.96.
Then, without rounding any of the numbers, delete all the numbers after the tenths decimal place.
This number is your handicap index.There are maximum default handicap indexes, and they are:
36.4 for males on an 18-hole course.
40.4 for females on an 18-hole course.
18.2 for males on a nine-hole course.
20.2 for females on a nine-hole course. , Now that you have your handicap index, this portable number can be taken to any course and used to calculate your course handicap for any set of tees.
Again, the slope rating should be listed on your score card, at the clubhouse, or on the course's website. , This is an average difficulty rating for courses, and the USGA has determined that this average slope is
113.So, after you multiply your handicap index by the slope rating, divide it by
113. , Round that number to the nearest whole number.
Any number ending in .4 or below is rounded down, and any number ending in .5 or above is rounded up.
This rounded whole number is your course handicap. -
Step 3: Find the course slope.
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Step 4: Determine your handicap differential.
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Step 5: Repeat these steps for every score.
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Step 6: Select your best handicap differentials.
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Step 7: Average your best differentials.
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Step 8: Determine your handicap index.
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Step 9: Multiply your handicap index by the slope rating.
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Step 10: Divide the product by the standard slope rating.
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Step 11: Find your course handicap.
Detailed Guide
To determine your handicap differential and index, you will first need some golf scores to work with.
For the best results, work with at least five scores, but using 20 scores is preferable.Tally your gross score from every individual game.
The gross score is the actual number of strokes taken over an entire course.
On any hole where you’ve exceeded the maximum allowable strokes, deduct the necessary number of strokes.
For instance, if you took nine strokes on a hole but have a maximum allowable score of seven, subtract two from your score for that hole.
Recount your total for the course using the adjusted numbers.
The United States Golf Association’s equitable stroke control uses the following guidelines for a course handicap of:
Nine or less: maximum score per hole is a double bogey 10 to 19: maximum score is seven 20 to 29: maximum score is eight 30 to 39: maximum score is nine 40 and above: maximum score is 10 (use this default if you haven't yet determined your handicap) , While the course rating is the difficulty rating for a golfer who shoots par (on average), the course slope is the difficulty rating based on a bogey golfer.
A bogey golfer is a player who shoots 18 strokes over par, on average.The course rating and slope for a particular course are usually found on the score card.
You can also check at the clubhouse, or on the course's website. , This is a calculation involving the difference between your adjusted gross score and the course rating.
The equation to determine this is: (Adjusted gross score
- course rating) x 113 ÷ slope rating Round this number to the nearest tenth., Always use your most recent scores, up to a maximum of
20. , Choose your 10 best (lowest) differentials if you are working with 20 scores.
If you don’t yet have 20 scores to work with, select:
Your top differential out of five or six Your top two differentials out of seven or eight Your top three differentials out of nine or 10 Your top four differentials out of 11 or 12 Your top five differentials out of 13 or 14 Your top six differentials out of 15 or 16 Your top seven differentials out of 17 Your top eight differentials out of 18 Your top nine differentials out of 19 , Add all the scores together, then divide that number by the amount of scores you're working with.
For instance, if you’re working with 10 scores, add all 10 together and then divide that by 10; if you’re working with three differentials, divide the sum by three. , Multiply your differential average by 96 percent, or
0.96.
Then, without rounding any of the numbers, delete all the numbers after the tenths decimal place.
This number is your handicap index.There are maximum default handicap indexes, and they are:
36.4 for males on an 18-hole course.
40.4 for females on an 18-hole course.
18.2 for males on a nine-hole course.
20.2 for females on a nine-hole course. , Now that you have your handicap index, this portable number can be taken to any course and used to calculate your course handicap for any set of tees.
Again, the slope rating should be listed on your score card, at the clubhouse, or on the course's website. , This is an average difficulty rating for courses, and the USGA has determined that this average slope is
113.So, after you multiply your handicap index by the slope rating, divide it by
113. , Round that number to the nearest whole number.
Any number ending in .4 or below is rounded down, and any number ending in .5 or above is rounded up.
This rounded whole number is your course handicap.
About the Author
Marie Sullivan
Professional writer focused on creating easy-to-follow home improvement tutorials.
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