Roulette Odds Calculator

Calculate your winning chances, payouts, and house edge for any roulette bet.

Interactive Odds Calculator

Calculation Results

Winning Chance:2.70%
Payout Ratio:35:1
House Edge:2.7%
Expected Value:-2.70% per bet

Example Calculation:

If you bet $10 on Straight Up on a european wheel:

  • • You have a 2.70% chance of winning
  • • If you win, you'll receive $360 (your bet + $350 profit)
  • • If you lose, you'll lose your $10 bet

Complete Odds Table

Bet TypePayoutEuropean OddsAmerican Odds
Straight Up35:12.7%2.6%
Split17:15.4%5.3%
Street11:18.1%7.9%
Corner8:110.8%10.5%
Six Line5:116.2%15.8%
Dozen2:132.4%31.6%
Column2:132.4%31.6%
Red/Black1:148.6%47.4%
Even/Odd1:148.6%47.4%
High/Low1:148.6%47.4%

Understanding Roulette Odds

Key Concepts

House Edge

The casino's mathematical advantage over players. European roulette has a lower house edge (2.7%) than American (5.26%).

True Odds vs. Payout Odds

True odds reflect the actual probability, while payout odds are what the casino pays. The difference creates the house edge.

Best Bets

European vs American

Always choose European roulette when possible - the single zero gives you better odds on every bet.

Even Money Bets

Red/Black, Even/Odd, and High/Low offer the best odds with nearly 50% win chance.

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