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Golf Handicap Calculator

Calculate your official-style handicap index by entering your recent scores and course ratings.

Golf Handicap Calculator

Calculate your score differential and handicap index.

Understanding the Golf Handicap Index

The World Handicap System (WHS) allows golfers of varying abilities to compete on a fair basis. A handicap represents a golfer's potential ability rather than just an average of their scores. By accounting for course difficulty (Slope and Rating), it standardizes performance across different venues.

Guide

How to use the Golf Handicap Index

  • 1Enter your 'Adjusted Gross Score' for the round (your total strokes after individual hole adjustments).
  • 2Input the 'Course Rating' for the specific tees you played (usually between 67 and 77).
  • 3Enter the 'Slope Rating' for the course (standard is 113, ranges from 55 to 155).
  • 4Click 'Calculate Differential' to find your score for that specific round.
  • 5To find your actual 'Handicap Index', average your best 8 differentials from your last 20 rounds.
Applications

Common Use Cases

Tracking personal progress and scoring trends over a golf season.
Qualifying for amateur tournaments with specific handicap requirements.
Enabling fair 'stroke-play' or 'match-play' games between players of different skills.
Evaluating how course difficulty impacts your raw scoring.

The Maths Behind the Calculation

Diff = (Score - Rating) × (113 / Slope)

The 113 represents the standard slope rating of a course of 'average' difficulty as defined by USGA/WHS.

Knowledge Base

Frequently Asked Questions

What is Course Rating?

Course Rating represents the expected score for a 'scratch golfer' (0 handicap) under normal playing conditions.

What is Slope Rating?

Slope Rating measures the relative difficulty of a course for a 'bogey golfer' compared to a scratch golfer. 113 is neutral.

How do I get an official handicap?

You typically need to join a golf club or an organization (like USGA or your national federation) and post at least 54 holes worth of scores.

What is an Adjusted Gross Score?

It is your total score minus any 'blow-up' holes, following the Net Double Bogey rule, which caps how many strokes you can take on a single hole for handicap purposes.

Regional Notice: United States

"Federal tax estimates are based on 2024 brackets. Consult a tax professional for official filing."