The no-vig fair odds calculator removes sportsbook margin from a market so you can estimate each side's fair probability and fair price. To use it, select the odds format and enter the posted prices for each outcome, and the calculator will convert those bookmaker numbers into no-vig probabilities and no-vig odds. For example, if both sides of a market are listed at -110, the calculator will strip out the vig and return a cleaner fair price for each side instead of the inflated sportsbook line. It is useful when you want a more accurate baseline for pricing, projections, and line shopping.