Casino & slots

🎡 Roulette Odds

Payouts and true probabilities for every roulette bet (EU/US).

Result
How it works

The formula

European edge 2.70% (single zero), American 5.26% (double zero). Payout per bet type shown.

Example: Straight-up pays 35:1; true odds 36:1 (EU) → 2.70% edge.

FAQ

Questions

European vs American?

European has one zero (2.70% edge); American has two (5.26%) — always prefer European.

Best roulette bet?

None beats the house; even-money bets just have lower variance.

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For entertainment & education only. OSOTOTO does not offer gambling. Results are mathematical estimates — variance means real outcomes differ. 18+. Need support? Self-check.