About the Return Points Won Calculator
Percentage of points won when returning serve, and the implied break chance.
Also known as: return points, return game percentage, break chance.
How to use this calculator
- Enter return points won, return points played.
- 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
Return points won = Return points won ÷ Return points played × 100
Worked example
Using the values pre-filled in the calculator above:
- Return points won = 26
- Return points played = 64
the calculator returns:
- Return points won: 40.63%
Working
Return points won = 26 ÷ 64 × 100 = 40.625%