Golf Handicap Calculator
Calculate a one-round handicap differential from gross score, course rating, and slope rating.
Golf Handicap Calculator Inputs
Results computed instantly — your data never leaves your device.
Golf Handicap Calculator Results
Real-TimeHandicap differential
18.00
Method note
One-round differential; an official index uses an authorized scoring history.
How to Use the Golf Handicap Calculator
- 1
Enter the gross score.
- 2
Enter the course rating.
- 3
Enter the slope rating.
- 4
Review the one-round handicap differential and do not confuse it with an official index.
Formula & Mathematical Basis
Variable Key
scoreGross score for the round
course ratingExpected score for a scratch golfer on the course and tees
slope ratingRelative difficulty rating used by the handicap system
📝 An official handicap index uses an authorized scoring history and applicable rules; this route calculates one differential only.
Step-by-Step Examples
One-round differential
Scenario: Score 90, course rating 72, slope 113.
- 1.Subtract course rating from score.
- 2.Multiply the difference by 113.
- 3.Divide by slope rating 113.
- 4.Review an 18.00 differential.
Practical Use Cases
- Explain the relationship among score, course rating, and slope.
- Compare round differentials for practice.
Common Pitfalls
- Calling one differential an official handicap index.
- Entering a net score instead of gross score.
- Using a slope rating of zero or the wrong tees.
Frequently Asked Questions
Is this an official handicap?
No; it is one differential and does not replace an authorized handicap calculation.
Does it account for playing conditions?
No; only the three entered values are used.
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