Updated November 2026
Online roulette: rules, odds and where to play live
Roulette is simple: bet on a number, a colour or a group of numbers, and the wheel decides. Here's what you need to know to play smart.
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European or American?
European roulette has one zero (37 pockets), American has two (38 pockets). Always choose European: the house edge is 2.7% instead of 5.26%.
Main bets and payouts
Single number: 35 to 1. Red/black, even/odd, 1-18/19-36: 1 to 1. Dozen or column: 2 to 1.
Live roulette
Live tables stream a real wheel with a real dealer. BetPortal and Velobet both offer live roulette. More in our live casino guide.
No system beats the wheel
Martingale and other systems don't change the odds. Set a budget and stick to it.
FAQ
Which roulette has the best odds?
European roulette (single zero), with a 2.7% house edge.
Can I play live roulette online?
Yes, at BetPortal and Velobet.
Does the Martingale work?
No, it doesn't change the house edge and can empty a budget fast.