Sports

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Winning Percentage Calculator.

Calculate a team's winning percentage from explicit wins and losses.

On-device calculationNo signup
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Set your values

Results update as you type.

Wins: 12

Wins

12.000000
Losses: 8

Losses

8.000000
Decided games: 20

Decided games

20.000000
Winning percentage: 0.6

Winning percentage

0.600000
Winning percentage (%): 60

Winning percentage (%)

60.000000

Results update automatically as you type.

Use Cases

Track your favorite team's performance

Quickly see how well a team is doing by converting their win-loss record into a percentage, making it easier to compare with other teams.

Example: Enter 20 wins and 10 losses to see a .667 winning percentage.

Evaluate your own team's season

Coaches and players can use the calculator to assess their season's success and set goals for improvement.

Example: If your team has 15 wins and 5 losses, your winning percentage is 75%.

Frequently Asked Questions

How do I calculate winning percentage?
Divide the number of wins by the total number of games played (wins + losses). For example, 10 wins and 5 losses gives 10 / (10+5) = 0.667, or 66.7%.
What if there are ties?
This calculator only uses wins and losses. If your league includes ties, you may need a different formula that accounts for ties, often counting a tie as half a win.
Can I use this for any sport?
Yes, as long as you have the number of wins and losses. It works for baseball, basketball, football, soccer, and any other team sport.

Tips & Common Mistakes

Tips

  • Make sure you enter only wins and losses, not ties or other outcomes, as the calculator is designed for those two inputs only.
  • Double-check your numbers: a common error is swapping wins and losses, which would give a misleading percentage.
  • Use the result to compare teams with different numbers of games played; the percentage normalizes the record.
  • Remember that a winning percentage of 1.000 means a perfect record, while 0.000 means no wins.

Common Mistakes to Avoid

  • Entering total games played instead of losses. The calculator expects losses, not total games.
  • Forgetting to include all games; if you miss some losses, the percentage will be too high.
  • Using the calculator for records that include ties, as it does not account for them.

Last updated: August 13, 2026