What is a course handicap?
A course handicap converts your Handicap Index into the number of strokes you receive on a specific golf course and tee box. Because courses vary in difficulty, your strokes should vary too. The World Handicap System (WHS) uses slope rating, course rating, and par to make that adjustment fair.
Course handicap formula (WHS)
The commonly used formula is:
Course Handicap = Handicap Index × (Slope Rating / 113) + (Course Rating - Par)
After calculating, the value is rounded to the nearest whole number. If your event uses a handicap allowance, you can then calculate your playing handicap:
Playing Handicap = Course Handicap × Allowance % (rounded to the nearest whole number).
How to use this course handicap calculator
- Enter your current Handicap Index.
- Enter the tee’s Slope Rating.
- Enter the tee’s Course Rating and Par.
- Set a handicap allowance (100% if unsure).
- Click Calculate to get both Course Handicap and Playing Handicap.
Example
If your Handicap Index is 12.4, slope rating is 128, course rating is 71.3, and par is 72:
Course Handicap = 12.4 × (128/113) + (71.3 - 72)
Course Handicap = 13.34 (rounded to 13)
Why slope, course rating, and par all matter
Many golfers only think about slope rating, but course rating and par also affect stroke allocation. Two courses with the same slope can still produce different course handicaps due to rating and par differences. That is why it is important to use the exact tee information from your scorecard.
Common mistakes golfers make
- Using the wrong tee box values.
- Confusing Handicap Index with Course Handicap.
- Forgetting to apply a competition handicap allowance.
- Rounding too early before applying allowance.
Quick FAQ
Is Course Handicap the same as Playing Handicap?
No. Playing Handicap is Course Handicap adjusted by the format allowance (for example, 95%).
Do I need decimals in my Handicap Index?
Yes, use the exact value shown in your handicap app or association record. The calculator handles rounding after computation.
Where do I find slope and course rating?
On your scorecard, club website, or golf association course database. Always match the values to the tee set you are playing.
Final tip
Before each round, calculate your course handicap from the tees you are actually playing. It takes only a few seconds and ensures your round is scored fairly under the World Handicap System.