Roulette odds refer to the probability of a particular outcome based on bet type. Having an understanding of the odds for roulette helps players make informed betting decisions and manage their bankroll more effectively, which is key in gambling. Continue reading to find the answer to “What are roulette odds?” and everything else you need to know about the odds of the wheel and become a smarter and better roulette player. What are the Odds in Roulette? It’s essential to know what the odds in roulette are before you start betting on roulette at an online casino.