Win Percentage Calculator
Turn a won-lost record into a winning percentage in both .625 and 62.5% form, and see how many wins it takes to reach a target or how far one team trails another.
Your rounds
One row per 18-hole round: the adjusted gross score, and the Course Rating and Slope Rating of the tees you played. PCC is the playing conditions adjustment shown by your golf association (0 on most days).
| # | Date | Score | Rating | Slope | PCC | Differential | Delete |
|---|
Course Handicap for the tees you play
Wins needed for a target
Games behind
Chart: score differentials
How to use the win percentage calculator
Type the Wins, Losses and, if your sport has them, Ties. The winning percentage shows straight away in two forms: three decimals the way standings print it (.625) and as a percent (62.5%). As a winning percentage calculator it lets you pick how ties count with the three buttons; the working line under the result changes with the choice.
Wins needed for a target answers questions like "how many more wins to reach 60 percent?" Leave Games left empty to see how many wins in a row it takes, or fill it in to see how many of the remaining games must be won. The games behind calculator at the bottom compares two teams' records. All of it is saved in your browser as you type, Undo steps back through every change, and Share link copies the records for someone else.
Keeping the score of the games themselves? Try the football scoreboard, the baseball scoreboard or the plain scoreboard. For individual numbers, the batting average calculator and the passer rating calculator are next door.
Ties, the formulas and an example
- Tie = half a win (the default): (W + 0.5 x T) / (W + L + T). Each tie counts as half a win and half a loss.
- Ties left out: W / (W + L), the definition in the Official Baseball Rules (Rule 9.21(a): games won divided by games won plus games lost).
- Tie = loss: W / (W + L + T).
Leagues differ on ties, so check which rule yours uses. A 9-5-2 record is .625 with ties as half a win, .643 with ties left out and .563 with ties as losses.
Games behind = ((wins of A - wins of B) + (losses of B - losses of A)) / 2. A team at 40-38 against a team at 35-40 gives ((40 - 35) + (40 - 38)) / 2 = 3.5 games behind. A negative answer means team B is ahead.
Wins needed: with a 10-6 record, reaching 70 percent takes 4 straight wins, because 14 / 20 = .700 while 13 / 19 is only .684. With 4 games left and a target of 60 percent, 2 more wins make 12 of 20 = .600. A perfect 1.000 is out of reach once a game is lost, and the tool says so.
Keyboard shortcuts
- T: switch the tie rule (half a win, left out, loss)
- U or Ctrl+Z: undo the last change
- R: clear every box (Undo brings it back)
- C: copy the result
- Esc leaves a box so the keys above work
- F: full screen
Questions
What is the difference between .625 and 62.5%?
Nothing but the format. Standings usually print three decimals without the leading zero (.625), which is the same as 62.5 percent. Both are shown so you can use either.
Which tie rule should I pick?
The one your league or competition uses for its standings. Counting a tie as half a win is common; the baseball rulebook leaves ties out of winning percentage. The calculator lets you switch and compare.
Can games behind be a half game?
Yes. When two teams have played a different number of games, the gap is often a whole number plus a half, such as 3.5 games behind.
Does wins needed assume ties?
No. It assumes every remaining game ends in a win or a loss. A future tie would change the answer a little under the half-a-win rule.
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