As with all measures of probability, the implied probability always falls in the range 0 <= implied probability <= 1. Implied probability is the probability of an outcome occurring as implied by the bookmaker odds. Note that both 1 and -1 are equivalent to decimal odds of 2.00.įor decimal odds between 1.00 and 2.00: Malay = decimal – 1įor decimal odds above 2.00: Malay = -1 / (decimal – 1)įor Malay odds between 0 and 1: decimal = Malay + 1įor Malay odds between -1 and 0: decimal = (-1 / Malay) + 1 Malay odds fall between -1 and 1, but cannot equal zero. When negative, Malay odds represent the number of units needed to be wagered in order to win 1 unit. When positive, Malay odds express the net return from a winning 1 unit bet. The poker odds calculators on let you run any scenario that you see at the. 3.00 in decimal odds equals +200 in American odds)įor American odds >= +100: decimal = (American / 100) + 1įor American odds = 1: decimal = Indonesian + 1įor Indonesian odds <= -1: decimal = (-1 / Indonesian) + 1 Poker odds calculate the chances of you holding a winning hand. Note that +100 and -100 are both equivalent to decimal odds of 2.00.įor decimal odds between 1.00 and 2.00: American = -100 / (decimal – 1)įor decimal odds above 2.00: American = (decimal – 1) * 100 (often expressed with a + in front, e.g. When positive, American odds express the number of units that can be won from a 100 units wager. When negative, the American odds indicate the number of units that would need to be successfully wagered to win 100 units. 1.50)įractional to Decimal: Fractional = decimal – 1 (expressed as a fraction, e.g. A winning $10 bet at 1/2 fractional odds would return $15.00 for a $5.00 profit (50% return).ĭecimal to Fractional: Decimal = fractional + 1 (expressed as a decimal number, e.g. A winning $10 bet at 1.50 decimal odds would return $15.00 for a $5.00 profit (50% return).įractional odds express the net return (in fractional form) from a winning 1 unit bet. If you believe something has an 80 chance of occurring but the odds suggest it has a 50. By knowing the percentage of the time you need to win a bet to break even, you can decide whether it is a smart bet to make.