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MLB Magic Number Calculator
Calculate the magic number to clinch a baseball division or playoff spot from wins and losses.
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How to use this calculator
Enter your values. The result updates as you type; press Calculate to confirm and jump to the result on mobile. Use Share to send the calculator with your result.
Magic number formula
magic number = G + 1 − W(leader) − L(rival)
Each leader win or rival loss reduces it by one; at zero the leader has clinched. Example: 162 games, leader 92 wins, rival 66 losses → 163 − 92 − 66 = 5. The “+1” prevents a tie; if the leader owns the tiebreaker, it effectively needs one fewer.
Frequently asked questions
What is an elimination number?
The same number viewed from the trailing team’s side: how many more of its losses or the leader’s wins eliminate it.
About this tool
- Written by
- [Author: to be assigned]
- Reviewed by
- Formula tests passed · human review pending
- Last updated
- 31 Oct 2026
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