Betting Odds & Vig

Decode the bookmaker's spread and find the real implied probability.

Odds A (American)

Odds B (American)

Implied prob. A

52.38%

Implied prob. B

52.38%

Overround

104.76%

Vigorish (vig)

4.76%

Fair odds A

50.00%

Fair odds B

50.00%

About this tool

Inputs: American odds for two sides. Outputs: implied probability each, overround, vig %, fair probabilities. Targets r/sportsbook daily threads.

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