Golf Handicap Calculator
Estimate a World Handicap System index from score differentials. The result updates as you type, with the working underneath so you can check it.
Your details
Result
Handicap index
12.1
- Differentials used
- 3 best of 10
- Simplified: rounds under 20 use a reduced count (the full WHS table also applies small adjustments for very few rounds). Your national golf body issues the official index.
Good to know: Index = average of best differentials
About this tool
Formula
Index = average of best differentials
Questions people ask
How is a score differential calculated?
(113 ÷ slope rating) × (adjusted gross score − course rating).
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How we calculate this
We use the standard published formula or definition for this calculation, and we show the working so you can check it.
Spotted a mistake? Tell us and we'll check it. How we check our calculators