Golf Handicap Calculator
Estimate your golf handicap index from recent scores, course rating, and slope rating.
Results
What is a Golf Handicap?
A golf handicap is a numerical measure of a golfer's potential ability, allowing players of different skill levels to compete on a fair basis. The Handicap Index is calculated from the best score differentials relative to the course difficulty.
How to Use This Calculator
- Enter the Course Rating, Slope Rating, and your Score for each round.
- Use the "+ Add Round" button to add up to 20 rounds.
- Click "Calculate Handicap" to see your estimated Handicap Index.
Frequently Asked Questions
What is score differential?
Score Differential = (Score - Course Rating) × 113 / Slope Rating. It normalizes your score based on course difficulty.
How many rounds are used?
The calculator uses the lowest differentials based on round count: 3-5 rounds = 1, 6-8 = 2, 9-11 = 3, 12-14 = 4, 15-17 = 5, 18-19 = 6, 20 = 8.
What is the maximum number of rounds?
You can enter up to 20 rounds, matching the World Handicap System recommendation.
Is this an official USGA/WHS handicap?
This is an estimation tool. Official handicaps must be registered through an authorized golf association.