About the Games Behind Calculator
How many games behind the leader a team is, and the magic number to clinch a position.
Also known as: gb calculator, games back, magic number baseball.
How to use this calculator
- Enter leader wins, leader losses, team wins, team losses and the other fields.
- The result updates instantly as you type — press Calculate (or Enter) at any time.
- Review the breakdown shown under the main result.
- Use Copy result or Share to save the answer or send a link with your inputs.
Formula
GB = ((leader W − team W) + (team L − leader L)) ÷ 2
Worked example
Using the values pre-filled in the calculator above:
- Leader wins = 62
- Leader losses = 38
- Team wins = 55
- Team losses = 45
- Games in season = 162
the calculator returns:
- Games behind: 7
- Leader record: 62-38
- Magic number for leader: 56
- Games remaining (team): 62