Roulette Odds 00 - Understanding Double Zero Wheel Probabilities

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Roulette odds with 00 refer to the probabilities on American roulette wheels that feature both a single zero （0） and double zero （00） slot. This additional 00 slot increases the house edge compared to European roulette wheels that only have a single zero.

The presence of the 00 slot changes the fundamental mathematics of the game. On a standard American roulette wheel with 38 slots （1-36, 0, and 00）, the odds of hitting any single number are 37 to 1, while the payout remains 35 to 1. This discrepancy creates the house advantage that makes roulette profitable for casinos.

For outside bets like red/black or odd/even, the 00 slot means these bets have 18 winning numbers out of 38 possible outcomes, rather than 18 out of 37 as in European roulette. This increases the house edge from 2.7% to 5.26%, making the double zero wheel significantly less favorable for players.