Rules for Roulette Explained 2026: Easy to follow rules for playing Roulette Online
Mike Goodpaster Last Verified
26/06/2026
If you've never played roulette at an online casino before, you're in the right place. This guide covers everything you need to know before you place your first bet: how the wheel and table work, what all the bets mean, what each one pays, and the key differences between the main versions of the game.
Roulette is one of the most straightforward casino games to understand. There are no cards to memorise and no complex decisions to make mid-round. You pick a number, a colour, or a group of numbers, watch the wheel spin, and find out if you won. By the time you finish this page, you'll know exactly what you're looking at when you open a roulette table online.
What is roulette?
Roulette is a game built around a spinning wheel divided into numbered pockets and a small ball that lands in one of those pockets at random. At an online casino, you see this as an animated wheel on screen or, if you choose a live dealer table, a real wheel streamed via camera from a studio. The on-screen betting grid lets you place your chips before the spin, and the software or dealer resolves the round within seconds.
Its popularity online comes down to simplicity and variety. You can bet as cautiously or as boldly as you like, choosing bets that pay even money all the way up to bets that pay 35 to 1. The game moves at your own pace when you play standard online roulette, and the house edge is visible and fixed - there are no hidden variables to worry about.
How to play roulette online
Playing roulette online follows the same basic pattern every round. You load the game, place your chips on the betting grid, confirm your bets, and then the wheel determines the outcome. Here's what that looks like step by step.
- Open a roulette game: Log in to your online casino account and navigate to the table games section. Choose a roulette variant - European is the best starting point for beginners because it has the lowest house edge of the standard versions.
- Set your chip value: Before placing any bets, select your chip denomination. Most tables let you pick from several values (for example, $0.10, $0.50, $1, $5). Start small while you're learning the layout.
- Study the betting grid: The on-screen table shows all 37 (or 38) numbers arranged in a grid, plus clearly labelled areas for outside bets like Red/Black and Odd/Even. Take a moment to get familiar before you bet.
- Place your bets: Click or tap on the number, colour, or section you want to bet on. You can place multiple bets in a single round. Each click adds one chip to that spot; clicking again adds another.
- Confirm and spin: Once you're happy with your bets, click the Spin button. In a live dealer game, the dealer will call "no more bets" and launch the ball into the spinning wheel.
- Watch the outcome: The ball settles into a numbered pocket. The software highlights the winning number on the betting grid and marks it on a display panel that tracks recent results.
- Collect your winnings: Any bets that cover the winning number are paid out automatically and credited to your balance. Losing bets are cleared from the table. You can then rebet the same layout or start fresh.
In standard online roulette, the outcome is determined by a random number generator (RNG) - software certified to produce genuinely random results, verified by independent testing labs. There's no dealer, no physical ball, and no influence over where the number lands. Each spin is entirely independent of the one before it.
Between rounds you can adjust your bets freely. Most online roulette games also include a "Rebet" button that restores your previous chip layout, which is handy once you've settled on a betting pattern you like.
The roulette table, wheel and key terms
Understanding what you're looking at on screen makes the game much less intimidating. The layout has two main parts: the wheel on one side and the betting grid on the other.
The wheel
A standard European roulette wheel has 37 pockets numbered 0 through 36. The numbers are not in sequential order around the wheel - they're arranged so that high and low numbers, and red and black pockets, alternate as evenly as possible. The single green pocket is the 0. American roulette adds a second green pocket, 00, which gives it 38 pockets total and a higher house edge.
The betting grid
The grid displays numbers 1 through 36 arranged in three columns of twelve rows, with 0 (and 00 in American) sitting above the top of the grid. Around the edge of the numbered area are the outside bet boxes: Red, Black, Odd, Even, 1-18, 19-36, and the three Dozens and three Columns.
Bets placed on individual numbers or small groups of numbers within the grid are called inside bets. Bets placed in the labelled boxes around the edge are called outside bets. Outside bets cover large portions of the wheel and pay smaller amounts; inside bets cover fewer numbers and pay more when they hit.
Key terms
- Straight-up bet: A bet on a single number.
- Split bet: A bet on two adjacent numbers on the grid, placed on the line between them.
- Street bet: A bet on three numbers in a horizontal row.
- Corner bet: A bet on four numbers that share a corner on the grid.
- Line bet: A bet covering two adjacent rows (six numbers).
- Column bet: Covers all 12 numbers in one of the three vertical columns.
- Dozen bet: Covers 12 consecutive numbers (1-12, 13-24, or 25-36).
- La Partage: A French roulette rule that returns half your even-money bet if the ball lands on 0.
Bets and payouts
Every bet in roulette has a fixed payout based on how many numbers it covers. The more numbers covered, the lower the payout. The table below shows every standard bet, what it covers, and what it pays.
| Bet type | Numbers covered | Payout (to 1) | Bet category |
|---|---|---|---|
| Straight-up | 1 | 35 to 1 | Inside |
| Split | 2 | 17 to 1 | Inside |
| Street | 3 | 11 to 1 | Inside |
| Corner | 4 | 8 to 1 | Inside |
| Line (six-line) | 6 | 5 to 1 | Inside |
| Column | 12 | 2 to 1 | Outside |
| Dozen | 12 | 2 to 1 | Outside |
| Red / Black | 18 | 1 to 1 | Outside |
| Odd / Even | 18 | 1 to 1 | Outside |
| Low (1-18) / High (19-36) | 18 | 1 to 1 | Outside |
Note that the zero (and double zero in American roulette) is not covered by outside bets or by any column or dozen. That's where the house edge comes from - the payouts are calculated as if the wheel had only 36 numbers, but the zero pockets give the casino a mathematical advantage on every spin.
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Basic strategy for beginners
Roulette is a game of chance - no strategy can change the house edge or predict where the ball will land. What you can do is make smarter choices about which bets to place and how to manage your money so you get more enjoyment from every session.
Start with outside bets
Outside bets like Red/Black or Odd/Even cover nearly half the wheel and pay even money. They won't make you rich quickly, but they give you roughly a 48.6% chance of winning each spin in European roulette. They're a low-stress way to get comfortable with the game.
Choose European roulette over American
European roulette has a single zero, giving the house a 2.7% edge. American roulette has a zero and a double zero, pushing the house edge to 5.26%. You're betting with the same money either way - pick the version that returns more of it over time.
Set a session budget before you spin
Decide how much you're comfortable losing before you open the game. Once that amount is gone, close the table. A pre-set limit stops one bad run from turning into a much bigger loss than you intended.
Keep individual bets small relative to your balance
If your session budget is $50, betting $10 a spin means you could be done in five spins. Sizing your bets at around 2% to 5% of your budget gives you enough rounds to enjoy the game and weather normal variance.
Try casino bonuses to extend your play time
Many online casinos offer casino bonuses that add credit to your balance. Read the terms carefully - some bonuses restrict roulette play or count wagers at a lower rate toward any playthrough requirement - but used wisely they can give you more time at the table.
Ignore the recent results display
Every online roulette game shows a history of recent numbers. That information has no bearing on the next spin. Each spin is independent - a run of ten black results does not make red "due". Treating past results as clues is one of the most common ways beginners make poor betting decisions.
Common mistakes to avoid
Most beginner mistakes in roulette come down to misunderstanding how probability works or letting emotion drive decisions. Here are the ones to watch out for.
Chasing losses
After a losing streak, it's tempting to double your next bet to win it all back. This approach burns through your balance quickly and can lead to losses far larger than your original session budget. Stick to consistent bet sizes regardless of what just happened.
Trusting betting systems like the Martingale
The Martingale system tells you to double your bet after every loss. It sounds logical, but table maximum limits and a finite bankroll mean a long losing run will exceed what you can bet. No betting system removes the house edge - it just changes how you distribute your bets.
Playing American roulette without realising it
At a glance, American and European roulette look almost identical. Check for the 00 pocket - if it's there, the house edge is nearly double. Always confirm which version you're playing before you deposit chips.
Placing the five-number bet in American roulette
American roulette has one bet that's worse than all the others: the five-number bet, which covers 0, 00, 1, 2, and 3. It carries a house edge of 7.89% - significantly higher than any other bet on the table. There's no good reason to use it.
Betting more than you planned because you're winning
A winning streak can create a false sense of security. Winnings are real money and worth protecting. If you've had a good run, consider pocketing part of your profit and only continuing to play with a portion of it.
Variations of roulette
Online casinos in the US carry several versions of roulette. The rules are similar across all of them, but the house edge differs enough to matter over time.
European roulette
The most widely played version online. The wheel has 37 pockets: numbers 1 through 36 and a single green zero. The house edge is 2.7% on every bet. This is the best starting point for any beginner and the version this guide is primarily based on. You'll find it at virtually every live dealer casino as well as in standard RNG format.
American roulette
American roulette adds a second green pocket marked 00, giving the wheel 38 pockets. That extra pocket doubles the house's advantage to 5.26%. The bets and payouts are otherwise identical to European roulette. Unless you have a specific reason to play American, European is the better choice on pure odds alone.
French roulette
French roulette uses the same 37-pocket wheel as the European version but adds two player-friendly rules.
- La Partage returns half your stake if you've placed an even-money bet and the ball lands on zero.
- En Prison holds your even-money bet on the table for the next spin rather than losing it outright. Both rules cut the house edge on even-money bets down to around 1.35%, making French roulette the best odds of any standard roulette variant. Look for it in the table games section of a good online casino.
Live dealer roulette
Live dealer roulette streams a real croupier and physical wheel to your screen in real time. The bets, rules, and payouts are the same as standard online roulette - the difference is the experience. You can see the ball spin on a real wheel, chat with the dealer, and follow side bets like Neighbours or Race Track bets that some live tables offer. It suits players who want a more social feel without leaving home.
More casino guides
Roulette is just one of many games covered in depth on betting.net. Whether you're curious about blackjack, baccarat, slots, or poker, you'll find a dedicated beginner's guide for each one below. Browse the table to find the game you'd like to learn next.
| Slot rules explained | Baccarat rules explained |
|---|---|
| How to win at slots | Roulette rules explained |
| Poker rules explained | Bingo rules explained |
| Blackjack rules explained |
Final thoughts
Roulette is genuinely one of the easiest casino games to pick up. The rules are fixed, the bets are clearly labelled on screen, and the payouts follow a logical pattern. You now know the difference between inside and outside bets, why European and French roulette give you better odds than American, and what to watch out for as a beginner. That's a solid foundation before you play roulette online for real money for the first time.
Go in with a budget you're comfortable with, choose a version of the game with a low house edge, and treat every session as entertainment rather than income. Roulette has a house edge regardless of how you bet - the goal is to enjoy the game responsibly and make your money last as long as possible. When you're ready to try it, look for a well-licensed online casino with a good range of table games and fair bonus terms.
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FAQs
Is roulette easy to learn online?
Yes, roulette is one of the most beginner-friendly casino games available. The bets are clearly labelled on the on-screen table, and you don't need to memorise a complex strategy before playing. Most online casinos also let you try games in demo mode before betting real money, so you can get comfortable with the layout first.
What's the best bet for a beginner in roulette?
Outside bets - Red/Black, Odd/Even, or Low/High - are the best starting point. They cover 18 numbers at a time, pay 1 to 1, and give you close to a 50% chance of winning each spin in European roulette. They won't produce huge payouts, but they keep you in the game longer and help you learn how roulette flows.
What is the house edge in online roulette?
It depends on the version you play. European roulette has a house edge of 2.7% on all bets. American roulette sits at 5.26% due to its extra double-zero pocket. French roulette, with the La Partage rule applied to even-money bets, drops to around 1.35% on those bets - the lowest of the three.
Can you win real money playing roulette online?
Yes, you can win in any given session. Roulette does pay out real money, and a straight-up bet on a single number pays 35 to 1 when it hits. However, the house edge means that over a large number of spins, the casino will come out ahead. Treat roulette as paid entertainment - winnings are a bonus, not a reliable outcome.
Is online roulette fair? How do I know the RNG is random?
Reputable online casinos use RNG software that is tested and certified by independent auditing organisations. These labs verify that outcomes are genuinely random and not manipulated. Look for casinos licensed by recognised US state gaming regulators or equivalent authorities - that licensing process includes regular fairness checks on the games.
What's the difference between European and American roulette online?
European roulette has 37 pockets (numbers 1-36 plus a single zero) and a house edge of 2.7%. American roulette has 38 pockets (the same numbers plus a double zero) and a house edge of 5.26%. The bets, grid layout, and payouts are otherwise the same. From a purely mathematical standpoint, European roulette is the better game to play.
Can I play roulette online for free before depositing?
Many online casinos offer demo versions of their standard RNG roulette games that you can try without depositing. Live dealer roulette tables typically require a real-money deposit to join. You can also look into no-deposit bonuses, which some casinos offer to new accounts and which let you try games with bonus funds before committing your own money.
Do roulette betting systems like the Martingale actually work?
No system can overcome the house edge in roulette. The Martingale (doubling your bet after each loss) is the most well-known, but table maximum limits and the risk of a long losing streak mean it can fail badly. Systems change the pattern of your bets - they don't change the underlying mathematics. Every spin carries the same house edge regardless of what you bet before it.