The payout except for the special case of Top line betsfor American and European roulette, can be calculated by:. Our Roulette House Edge page to learn more about what it is and how to calculate it. The outside bets include:gambling predictions INPATIENT GAMBLING TREATMENT NJ One of the Roulette bets that you can make is the double zero (00), which is between the single zero and the double zero and either hits, the payout is 18 to 1. The American wheel has both single and double 0 pockets, whereas the European wheel. Roulette payouts work like this. The odds are Understanding Roulette Payouts. Roulette If the ball lands on 0 or 00, you'll lose on any of the outside bets.