Margin Calculator

Bookmaker margin (vig) for 1X2 & 2-way

Bookmaker margin calculator: enter 1X2 or two-way odds to reveal the built-in margin (vig) and the fair probabilities.

Market type

1 X 2

FAQ

What is the bookmaker margin?

The sum of implied probabilities above 100% — the bookmaker’s built-in edge.

What is a good margin?

Sharp books run 2–5%; recreational books often 6–10%. Lower is better for you.

We do not promote or encourage betting — this tool is for educational and analytical purposes only. 18+, play responsibly.

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