Understand what each bet covers
Roulette odds begin with coverage. A straight bet covers one number, while outside bets cover larger groups such as red, black, odd, even, low, or high.
Understand roulette probability
Roulette Odds Calculator
Learn roulette odds, payouts, bet coverage, and probability differences between American and European roulette in a clear simulator-focused guide.
Bet coveragePayout examplesAmerican vs European oddsBeginner-friendly explanations
roulette odds calculatorNo real-money wagering
Key features
What this simulator covers
Compare payout and probability
Higher payouts usually come with lower hit frequency. Lower payouts usually cover more numbers. The simulator helps make that tradeoff visible.
Use odds as context
Odds explain probability and payout structure. They do not predict a future spin or guarantee a result.
Related learning
Build context before you play
Roulette Odds Explained For Beginners
A beginner-friendly explanation of roulette odds, payouts, bet coverage, and American vs European wheel differences.
Read guide →Inside Bets vs Outside Bets In Roulette
Learn the difference between inside and outside roulette bets, including coverage, payout behavior, and practice examples.
Read guide →FAQ
Clear answers before practice
What is the payout for a straight roulette bet?
A standard straight bet pays 35 to 1 when it wins, plus the returned stake in typical payout accounting.
Why are American and European odds different?
American roulette has 38 pockets because it includes 0 and 00. European roulette has 37 pockets because it includes only one zero.