About the Golf Handicap Calculator
World Handicap System index from your score differentials — the average of your best rounds.
Also known as: handicap index, whs handicap, golf handicap calculator, how to calculate handicap.
How to use this calculator
- Enter score differentials (best to worst or any order).
- The result updates instantly as you type — press Calculate (or Enter) at any time.
- Review the breakdown shown under the main result.
- Use Copy result or Share to save the answer or send a link with your inputs.
Formula
Index = average of the best N differentials (+ adjustment), by WHS table
Worked example
Using the values pre-filled in the calculator above:
- Score differentials (best to worst or any order): 12.4, 14.1, 10.8, 15.6, 13.2, 11.9, 16.3, 12.8, 14.9, 13.5, …
the calculator returns:
- Handicap index: 12.1
- Rounds submitted: 20
- Differentials used: 8
- Best differential: 10.8