About the Ace Percentage Calculator
Ace percentage: aces as a share of service points played.
Also known as: aces per service point, ace rate tennis.
How to use this calculator
- Enter aces, service points.
- The result updates instantly as you type — press Calculate (or Enter) at any time.
- Open “Step-by-step” to see how the answer was worked out.
- Use Copy result or Share to save the answer or send a link with your inputs.
Formula
Ace percentage = Aces ÷ Service points × 100
Worked example
Using the values pre-filled in the calculator above:
- Aces = 9
- Service points = 68
the calculator returns:
- Ace percentage: 13.24%
Working
Ace percentage = 9 ÷ 68 × 100 = 13.2353%