kalkulator oddsOur odds calculator allows you to input your odds in American (e.g. +125), Fractional (e.g. 54) or Decimal (e.g. 2.25) odds and your total stake, and immediately calculates your potentialMedCalc's free on Odds Ratio (OR) statistical calculator calculates Odds Ratio with 95% Confidence Interval from a 2x2 table.