Tournament Bracket Size
Number of Teams / Players
A tournament bracket calculator determines the number of rounds, games, and byes needed for any size single-elimination tournament. Single elimination is the most common format in sports and esports.
- 1Rounds = ceil(log₂(number of teams))
- 2Total games = number of teams − 1 (one team is eliminated per game)
- 3Byes = 2^rounds − number of teams (given to top seeds in round 1)
- 4A 16-team bracket has exactly 4 rounds and 15 games
8 teams=3 rounds, 7 games, 0 byes
16 teams=4 rounds, 15 games, 0 byes
12 teams=4 rounds, 11 games, 4 byes (for top 4 seeds)
| Teams | Rounds | Games | Byes |
|---|---|---|---|
| 4 | 2 | 3 | 0 |
| 8 | 3 | 7 | 0 |
| 16 | 4 | 15 | 0 |
| 32 | 5 | 31 | 0 |
| 12 | 4 | 11 | 4 |
| 20 | 5 | 19 | 12 |
| 64 | 6 | 63 | 0 |
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