About the Score Differential Calculator
Score differential for a round from your adjusted gross score, course rating and slope rating.
Also known as: golf differential, handicap differential, course handicap.
How to use this calculator
- Enter adjusted gross score, course rating, slope rating, playing conditions adjustment.
- The result updates instantly as you type — press Calculate (or Enter) at any time.
- Review the breakdown shown under the main result.
- Use Copy result or Share to save the answer or send a link with your inputs.
Formula
Differential = (score − course rating) × 113 ÷ slope − PCC
Worked example
Using the values pre-filled in the calculator above:
- Adjusted gross score = 88
- Course rating = 71.2
- Slope rating = 128
- Playing conditions adjustment = 0
the calculator returns:
- Score differential: 14.8
- Score to par (rating): 16.8
- Slope factor: 0.883