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Roulette Bets Explained: Inside and Outside Bets
A clear guide to roulette bets: straight up, split, red or black, odd or even and dozens, with payouts and why European roulette beats American roulette.
Quick answer
Inside bets (single numbers or small groups) pay more but hit less often; outside bets (red/black, odd/even, dozens) hit often but pay less. European roulette with one zero has a 2.7% house edge versus 5.26% on American double-zero wheels.
Inside bets
- Straight up (1 number): 35:1
- Split (2 numbers): 17:1
- Street (3 numbers): 11:1
- Corner (4 numbers): 8:1
Outside bets
- Red or black: 1:1
- Odd or even: 1:1
- Dozens: 2:1
- Columns: 2:1
Choose European roulette
The single-zero wheel roughly halves the house edge compared with American roulette.
Frequently asked questions
Is there a winning roulette system?
No betting system changes the house edge. Systems like Martingale only change how fast you win or lose.