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ℹ️ World Handicap System (WHS)
Your Handicap Index is calculated from the best 8 Score Differentials from your last 20 rounds. A Score Differential = (Adjusted Gross Score − Course Rating) × 113 ÷ Slope Rating.
Enter Your Scores
Enter up to 20 recent rounds. Minimum 3 scores required.
| # | Adjusted Gross Score | Course Rating | Slope Rating |
|---|
Your WHS Handicap Index
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Based on best 8 of 20 differentials
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Rounds Used
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Best Diff
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Avg Diff
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How It's Calculated
Step 1
Score Differential
(AGS − CR) × 113 ÷ SR
Step 2
Select Best 8
From your last 20 rounds, the 8 lowest differentials are averaged.
Step 3
Apply 0.96 Factor
Average × 0.96. Truncated to 1 decimal. That's your Handicap Index.
Fewer Rounds
Adjusted Rules
3 scores: best 1. 4: best 1. 5: best 1. 6: best 2. 7–8: best 2. 9–11: best 3…
Course Handicap
Find out how many strokes you receive at a specific course.
Formula
Course Handicap = Handicap Index × (Slope Rating ÷ 113) + (Course Rating − Par)
Course Handicap
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You receive — strokes at this course.
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Playing Handicap
For match play or competitions with a handicap allowance.
Playing Handicap
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Score History
Your last 20 rounds. Green = used in handicap calculation.
| Date | Course | Score | Rating/Slope | Differential | Used |
|---|
Friends' Handicaps
Compare your handicap index with friends and playing partners.
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⭐ Famous Golfer Handicap Estimator
Tour pros, YouTube golf stars, celebrities and sports icons — we've run their scores through the exact WHS formula. Select a category and pick someone to see their estimated Handicap Index.
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Est. Handicap Index
Last 20 Rounds Used in Calculation = counted in index
| # | Tournament | Score | Differential | Used |
|---|