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Handicap Index Formula:
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The Handicap Index (HI) is a measure of a golfer's potential ability under the World Handicap System (WHS). It represents the number of strokes a player receives to adjust their score to par, allowing golfers of different skill levels to compete fairly.
The calculator uses the WHS formula for Canada:
Where:
Explanation: The formula takes the average of your best 8 score differentials from your most recent 20 rounds and applies a 0.96 multiplier to encourage improvement.
Details: Accurate Handicap Index calculation is essential for fair competition, tracking improvement, and participating in official golf tournaments under the World Handicap System in Canada.
Tips: Enter your score differentials (one per line) from your recent golf rounds. You need at least 8 score differentials to calculate a valid Handicap Index. The calculator will automatically select and use your best 8 scores.
Q1: What is a Score Differential?
A: Score Differential is calculated from your gross score, course rating, and slope rating. It represents your performance adjusted for course difficulty.
Q2: How many scores do I need for a Handicap Index?
A: You need a minimum of 54 holes (three 18-hole scores or equivalent) to establish a handicap, but the full calculation requires 20 scores with the best 8 used.
Q3: Why is there a 0.96 multiplier?
A: The 0.96 "Bonus for Excellence" multiplier slightly reduces the handicap index, encouraging players to improve their game.
Q4: How often should I update my handicap?
A: Under WHS, handicaps are updated daily based on newly submitted scores, but you should update after every round you play.
Q5: Is this calculator valid for tournament play?
A: While this calculator follows WHS rules, official tournament handicaps must be maintained through an authorized golf association.