Golf Handicap Table: Handicap differential by Adjusted gross score
Reference table of handicap differential for Golf Handicap across a range of adjusted gross score values — exact, engine-computed figures you can read off at a glance.
Golf Handicap Calculator
Verified formula Updated Jun 2026 Private — runs on your device
Verified formula
Private
Handicap differential
18.0
For general information only — not financial, tax, legal or medical advice. Verify before you rely on it.
How to use the Golf Handicap Calculator
The Golf Handicap Calculator works out your handicap differential in an instant. Enter adjusted gross score, course rating and slope rating and the result updates as you type — it is free, needs no sign-up, and runs entirely in your browser so your figures stay private.
- Enter the adjusted gross score.
- Enter the course rating.
- Enter the slope rating.
- Read off your handicap differential — the calculator updates automatically, with no button to press.
Formula
The Golf Handicap Calculator uses the formula:
Handicap differential = (Adjusted gross score - Course rating) × 113 ÷ Slope rating
Worked example
For example, with adjusted gross score of 90, course rating of 72 and slope rating of 113, the handicap differential is 18.0.
| Adjusted gross score | 90 |
|---|---|
| Course rating | 72 |
| Slope rating | 113 |
| Handicap differential | 18.0 |
|---|
Results are estimates for educational use, not professional advice.
Key terms explained
- Slope
- The steepness of a line, measured as the change in y divided by the change in x.
Frequently asked questions
Use (score − course rating) × 113 ÷ slope rating. A 90 on a course rated 72 with a slope of 113 gives a differential of 18.
113 is the standard slope rating of a course of average difficulty, used to normalise differentials across different courses.
Your handicap index is based on the average of your best recent differentials, not a single round. This tool finds one round's differential.
Slope rating measures how much harder a course plays for higher handicappers than for scratch golfers. A higher slope means greater relative difficulty.
Enter the adjusted gross score. Enter the course rating. Enter the slope rating. Read off your handicap differential — the calculator updates automatically, with no button to press.
Related guides
How to Calculate Golf Handicap: Formula, Steps & Examples
Learn how to calculate Golf Handicap — the formula explained step by step, with worked examples and a free calculator to check your answer.