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First Serve Percentage Calculator

First serve percentage: first serves in as a share of total service points.

Enter values

Results update as you type.

Result

First serve percentage

61.76%

Step-by-stepShow
  1. First serve percentage = 42 ÷ 68 × 100 = 61.7647%

About the First Serve Percentage Calculator

First serve percentage: first serves in as a share of total service points.

Also known as: serve percentage, first serve in, serve stats tennis, serve-percentage.

How to use this calculator

  1. Enter first serves in, service points played.
  2. The result updates instantly as you type — press Calculate (or Enter) at any time.
  3. Open “Step-by-step” to see how the answer was worked out.
  4. Use Copy result or Share to save the answer or send a link with your inputs.

Formula

First serve percentage = First serves in ÷ Service points played × 100

Worked example

Using the values pre-filled in the calculator above:

  • First serves in = 42
  • Service points played = 68

the calculator returns:

  • First serve percentage: 61.76%

Working

  1. First serve percentage = 42 ÷ 68 × 100 = 61.7647%