Tool

+EV / no-vig calculator

Strip the bookmaker's vig to find true line value.

Sharp book — both sides

Side A (American)

Side B (American)

Total vig4.76 %

Fair odds A · B2.000 · 2.000

Your book — one side

Side

Your odds

Fair implied %50.0 %

Your implied %51.2 %

Edge-2.38 %

How to read this

Vig-free probability is the closest thing to a fair line

If two books disagree, the sharper one's no-vig line is your fair-value baseline. Bet only when another book offers shorter odds — the gap is your edge.

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