What does 21 to 13 odds mean?

"What does 21 to 13 odds mean?" Here we will tell you what 21 to 13 odds mean, what 21 to 13 probability means, and show you what a 21 to 13 odds payout would be.

21 to 13 odds
This means that out of 34 possible outcomes, odds are that there will be 21 of one kind of outcome and 13 of another kind of outcome.

For every 34, odds are that 21 will be a particular event and 13 will be another event.

21 to 13 probability
There is a 61.76 percent probability of a particular outcome and 38.24 percent probability of another outcome.

21 to 13 odds payout
If you bet 1 on a game with 21 to 13 odds and you win, your total payout will be 2.62 which is your bet plus 1.62 profit.

Odds vs. Probability
Note that odds and probability are not the same. Odds compare one event to another event, whereas probability compares one event to both possible events. Thus, when the odds are 21 to 13, the fraction for the Odds is 21/13, but the fraction to calculate the probability is 21/34.

Formulas and calculations used for 21 to 13 odds where A=21 and B=13

Odds
A / B =
21 / 13 =
21/13

Probability
A / (A + B) =
21 / (21 + 13) =
21/34 = 61.76%

Payout
((Bet*A)/B)) + Bet =
((1*21)/13)) + 1 =
2.62

Odds Calculator
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What does 21 to 14 odds mean?
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