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How Many Games Are In a Round Robin?

Get quick round robin game counts and season planning numbers. Includes single and double round robin formulas plus examples.

Use this page as a quick calculator reference when deciding team limits, season length, and facility capacity.

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sportschedulerpro.com/l/summer-basketball

Summer Rec League

12 teams . 10 weeks

Published

This week's games

Raptors vs HawksMon 7:00 PM
Heat vs KnicksTue 8:00 PM
Lakers vs BullsThu 7:30 PM

Standings

1. Raptors7-1
2. Heat6-2
3. Bulls5-3

League update

Court 2 game moved to 8:30 PM. All teams see updates instantly on this page.

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Quick Facts

Single RR

N x (N-1) / 2 total games

Double RR

N x (N-1) total games

Even Teams

Single RR weeks = N-1

Odd Teams

Single RR weeks = N

How To Set It Up

  1. 1.Pick your team count N.
  2. 2.Use single round robin formula: N x (N-1) / 2.
  3. 3.For home-and-away formats, double the result.
  4. 4.Set season weeks based on one game per team each week.

Pro Tips

  • 8 teams: 28 games single RR, 56 games double RR.
  • 10 teams: 45 games single RR, 90 games double RR.
  • 12 teams: 66 games single RR, 132 games double RR.

Frequently Asked Questions

What is the formula for single round robin games?
Single round robin uses N x (N-1) / 2, where N is total teams.
How is double round robin different?
Double round robin means each matchup happens twice, so total games are N x (N-1).
How many weeks should I plan for one game per team each week?
Use N-1 weeks for even team counts and N weeks for odd team counts in single round robin.
What if we have an odd number of teams?
One team is off each round. If you want that visible, add one extra team named BYE WEEK.

Related Scheduling Guides

Round Robin Schedule TemplateBye Week Round Robin Schedule GeneratorFree Round Robin Schedule Generator