No-Vig Fair Odds Calculator
Remove the vig (juice) from both sides of a betting line to get each side's fair probability and fair odds, plus how much margin the book is charging.
The picks behind the math
LineScout gives the chance each NFL bet hits, the best price across 7 books, and a record graded in public. In beta: the first 100 sign-ups get Pro free.
Get LineScout freeWhat the vig is
Books price both sides so their implied probabilities add up to more than 100%. The extra is their margin, often called the vig or juice. At −110 / −110 it's about 4.5%.
How fair odds are found
Take each side's implied probability and scale both so they add to exactly 100%. That's each side's fair chance; turn it back into odds for the fair price.
Using fair odds
Sharp books like Pinnacle carry small margins, so their no-vig price is the best estimate of the true chance. When another book pays more than that fair price, the bet has positive expected value. LineScout's Prices card does this for every game.
More free tools: Parlay Calculator · Odds Converter · Implied Probability Calculator · Expected Value (EV) Calculator · Kelly Criterion Calculator · Hedge Calculator · Arbitrage Calculator · Win Rate & ROI Calculator
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