Golf Handicap Calculator

Calculate your golf handicap easily with our authoritative and accessible Golf Handicap Calculator.

Score Input

How to use

Enter your round score, the official course rating, and the slope rating. The calculator applies the USGA handicap formula and updates instantly or after pressing Calculate.

Methodology

The handicap index is based on the USGA system: (Score - Course Rating) × 113 / Slope Rating. Rounded to one decimal place, it represents your playing potential relative to a scratch golfer.

Full original guide (expanded)

Estimate your golf handicap index from recent scores and course rating values by supplying accurate inputs. The glossary and FAQ below clarify terms and usage.

Glossary of Terms

  • Score: Your total strokes for the round.
  • Course Rating: Expected score for a scratch golfer.
  • Slope Rating: Difficulty comparison between bogey and scratch golfers.

Frequently Asked Questions (FAQ)

What is a golf handicap? A golf handicap is a numerical measure of a golfer's potential ability.

How to calculate a golf handicap? Use this calculator with your latest golf scores and course rating values.

Formulas

USGA Handicap Index

\[ HandicapIndex = (Score - CourseRating) \times \frac{113}{SlopeRating} \]

  • Score: Your total strokes.
  • CourseRating: Difficulty for scratch golfers.
  • SlopeRating: Relative challenge for bogey golfers.
Citations

All calculations follow the USGA Handicap System. USGA Handicapping

Changelog
  • 0.1.0-draft — 2026-01-19: Initial audit spec draft generated from HTML extraction (review required).
  • Verify formulas match the calculator engine and convert any text-only formulas to LaTeX.
  • Confirm sources are authoritative and relevant to the calculator methodology.
✓ Verified by Ugo Candido
Last Updated: 2026-01-19
Version 0.1.0-draft