The potential payout odds in roulette appear for every bet type as X:1,  where X  usually indicates the dollars you could win for every 1-dollar bet. Say a single-number bet has a 35:1 payout, and you betR$1. If you win, you'll get your money back plusR$35.

Author of Online Roulette the Winning Rules (2014 present) Author has 77 answers and 65.7K answer views 3y. In a 2-1 bet you bet 1 unit and if you win you get 3 returned. In casinos 2-1 bets are on 12 numbers 1 to 12, 13 to 24 and 25 to 36. In fact they can be any combination of 12 numbers be they in columns or rows.