Probability Calculator Craps
Craps Odds and Probabilities - Calculating Craps Combinations
- Here is an overview of craps bets with medium odds that you can make. Have a 16.7% chance of winning an Any 7 bet, with a payout of 4/1. This gives the house a substantial edge of 16.9%. This is quite high compared to some of the bets we’ve seen above, yet still a solid choice if you’re chasing more slightly more daring bets.
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Calculating craps odds and probability seems hard, but it's not as complicated as one might think. When calculating the probabilities of any gambling activity, the first thing one looks at is the number of potential outcomes. When rolling two six-sided dice, like you in a game of craps, there are 36 possible outcomes. (There are only 11 possible totals, 2 through 12, but there are 36 combinations that can result in those totals.)
There is only one way to roll a 2 (or a 12). Roll a 1 on each die (or a 6 on each die.) Since there are 36 possible combinations, and only 1 of those combinations can total 2, the probability of getting a 2 on a roll is 1 out of 36, or 35 to 1, as stated in odds terms. There are 2 ways to roll a 3 though - you can roll a 1 and a 2, or roll a 2 and a 1, so the probability of rolling a 3 is 2 out of 36. 2 out of 36 is the same as 1 out of 18, which stated in odds terms is 17 to 1.
For instance, odds can be related either as 2-1 or 2 to 1, where a 1 credit bet returns 2 credits. In other words, 2 to 1 odds returns the original 1 credit bet and a 1 credit profit. The Best Craps Bets. The best bets in craps are the pass line bet, taking the odds, the don’t pass bar, the come bet, and placing the 6 or the 8. The odds paid to you, the probability of your bet being successful and the house edge are all important factors in how lucrative Craps will be for you. Why Use a Craps Probability Chart? The more information that you have at our disposal, the better decisions you can make. The dice probability calculator is a great tool if you want to estimate the dice roll probabilityover numerous variants. There are may different polyhedral die included, so you can explore the probability of a 20 sided die as well as that of a regular cubic die. So, just evaluate the odds, and play a game!
Here's a chart outlining the possible combinations, how many ways each total can be rolled, and what the odds are for each total.
| Total | Number of Ways to Roll This Total | Odds | Combinations |
| 2 | 1 | 35 to 1 | 1,1 |
| 3 | 2 | 17 to 1 | 1,2 + 2,1 |
| 4 | 3 | 11 to 1 | 1,3 + 3,1 + 2,2 |
| 5 | 4 | 8 to 1 | 1,4 + 4,1 + 2,3 + 3,2 |
| 6 | 5 | 6.2 to 1 | 1,5 + 5,1 + 2,4 + 4,2 + 3,3 |
| 7 | 6 | 5 to 1 | 1,6 + 6,1 +2,5 + 5,2 + 3,4 + 4,3 |
| 8 | 5 | 6.2 to 1 | 2,6 + 6,2 + 3,5 + 5,3 +4,4 |
| 9 | 4 | 8 to 1 | 3,6 + 6,3 + 4,5 +5,4 |
| 10 | 3 | 11 to 1 | 4,6 + 6,4 + 5,5 |
| 11 | 2 | 17 to 1 | 5,6 + 6,5 |
| 12 | 1 | 35 to 1 | 6,6 |
Calculating the Odds in Craps
The formula used to calculate the odds of rolling a specific total in craps is actually pretty simple. Divide 36 by the number of combinations that will make that total. Since there are 6 combinations which will total 7, the probability is 36 divide by 6, or 1 in 6 chance of rolling a 7.
Converting this to odds is easy to. Odds are always stated as the number of possibilities of something not happening versus the number of possibilities of something happening. For every roll of 7 there will be 5 rolls that aren't 7.
Craps Probabilities and the House Edge
The house edge is the difference between what the house pays out on a bet and it's true odds. For example, if a casino pays $30 for a $1 bet that someone will roll a 2, it's making a profit, because the true odds are 35 to 1. To be a break even bet, the casino would need to pay out $35 on that bet. (And return the $1 bet.) But if a casino had nothing but break even bets, it wouldn't make a profit. Without a profit, they'd have no reason to exist, and one wouldn't get to play craps.
It's good to understand how probabilities and odds are calculated because not all bets have as high a house edge as other bets. If one understands the math behind the odds, one can then choose the better bets, the ones with the lowest house edge. Choosing the bets with the lowest house edge is just good craps strategy.
Craps Odds and Probabilities - Calculating Craps Combinations
Calculating craps odds and probability seems hard, but it's not as complicated as one might think. When calculating the probabilities of any gambling activity, the first thing one looks at is the number of potential outcomes. When rolling two six-sided dice, like you in a game of craps, there are 36 possible outcomes. (There are only 11 possible totals, 2 through 12, but there are 36 combinations that can result in those totals.)
There is only one way to roll a 2 (or a 12). Roll a 1 on each die (or a 6 on each die.) Since there are 36 possible combinations, and only 1 of those combinations can total 2, the probability of getting a 2 on a roll is 1 out of 36, or 35 to 1, as stated in odds terms. There are 2 ways to roll a 3 though - you can roll a 1 and a 2, or roll a 2 and a 1, so the probability of rolling a 3 is 2 out of 36. 2 out of 36 is the same as 1 out of 18, which stated in odds terms is 17 to 1.
Here's a chart outlining the possible combinations, how many ways each total can be rolled, and what the odds are for each total.
| Total | Number of Ways to Roll This Total | Odds | Combinations |
| 2 | 1 | 35 to 1 | 1,1 |
| 3 | 2 | 17 to 1 | 1,2 + 2,1 |
| 4 | 3 | 11 to 1 | 1,3 + 3,1 + 2,2 |
| 5 | 4 | 8 to 1 | 1,4 + 4,1 + 2,3 + 3,2 |
| 6 | 5 | 6.2 to 1 | 1,5 + 5,1 + 2,4 + 4,2 + 3,3 |
| 7 | 6 | 5 to 1 | 1,6 + 6,1 +2,5 + 5,2 + 3,4 + 4,3 |
| 8 | 5 | 6.2 to 1 | 2,6 + 6,2 + 3,5 + 5,3 +4,4 |
| 9 | 4 | 8 to 1 | 3,6 + 6,3 + 4,5 +5,4 |
| 10 | 3 | 11 to 1 | 4,6 + 6,4 + 5,5 |
| 11 | 2 | 17 to 1 | 5,6 + 6,5 |
| 12 | 1 | 35 to 1 | 6,6 |
Calculating the Odds in Craps
The formula used to calculate the odds of rolling a specific total in craps is actually pretty simple. Divide 36 by the number of combinations that will make that total. Since there are 6 combinations which will total 7, the probability is 36 divide by 6, or 1 in 6 chance of rolling a 7.
Converting this to odds is easy to. Odds are always stated as the number of possibilities of something not happening versus the number of possibilities of something happening. For every roll of 7 there will be 5 rolls that aren't 7.
Craps Probabilities and the House Edge
Probability Calculator Craps Games
The house edge is the difference between what the house pays out on a bet and it's true odds. For example, if a casino pays $30 for a $1 bet that someone will roll a 2, it's making a profit, because the true odds are 35 to 1. To be a break even bet, the casino would need to pay out $35 on that bet. (And return the $1 bet.) But if a casino had nothing but break even bets, it wouldn't make a profit. Without a profit, they'd have no reason to exist, and one wouldn't get to play craps.
Probability Calculator Craps Game
It's good to understand how probabilities and odds are calculated because not all bets have as high a house edge as other bets. If one understands the math behind the odds, one can then choose the better bets, the ones with the lowest house edge. Choosing the bets with the lowest house edge is just good craps strategy.