# Converting betting odds to probabilities calculator free , american, implied Probability 1/5.2 -500.3 2/9.8 1/4.

/7.8 1/3.

/11.3 4/9.2 1/2.5 -200.7 1/ /4.25 125.4 9/ /.1 20/.8 50/ / /.1 Format Definitions - Odds and Probabilities There are 3 methods of stating odds that most bookmakers and websites support.

Implied Probability is also useful when evaluating a bet or checking how likely an outcome.

Fractions Used primarily in the UK and Ireland, fractions" the potential profit should the bet succeed, relative to the stake.

For example if 5 is bet at odds of 2/1 the potential profit is 10 (5 * 2) and the total returned is 15 (10 plus the 5 stake).

Decimals Decimals" the potential return should the bet succeed, relative to the stake.

For example if 5 is bet at odds of 3 the total returned is 15 (5 * 3) the potential profit is 10 (5 * 3 minus the 5 stake).

American Positive figures: The odds state the winnings on a 100 bet.g.

American odds of 110 would win 110 on a 100 bet.

Negative figures: The odds state how much must be bet to win 100 profit.g.

American odds of -120 would win 100 on a 120 bet.

Implied Probability Odds correlate to probability.g a 3/1 bet is expected to win one in every 4 attempts, hence the probability.

How to Convert Odds and Probabilities - FAQ How do you convert odds to probability percentages?

Decimal - 1 divided by the decimal odds, multiplied by 100 to give a percentage.g.

Decimal odds of 2 (1/2).

Fraction - 1 divided by (the fractional odds plus 1 multiplied by 100 to give a percentage.

Fractional odds of 3/1 (1 / (3/1) 1).

American: Positive odds - 100 divided by (the american odds plus 100 multiplied by 100 to give a percentage.g.

American odds of 150 (100 / (150 100).

Negative odds - Firstly multiply the american odds by -1 and use the positive value in the following formula: american odds divided by (the american odds plus 100 multiplied by 100 to give a percentage.g.

American odds of -300 (300 300100).

How do you convert probability percentages to odds?

Decimal - 1 divided by (the percentage divided by 100).g.

A probability of 50 1 / (50 / 100).

Fraction - (1 divided by (the percentage divided by 100) minus.g.

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