Roulette Guide: Rules, Wheel Types, Bets & Simple Approaches

Roulette looks busy at first glance, but the flow of the game is simple. Every spin follows the same pattern:

1. Choose a table and buy chips (in person) or set your chip size online.
2. Place your bets on the layout: individual numbers, colours, odds/evens, dozens and more.
3. The dealer calls “no more bets” and spins the wheel one way and the ball the other way.
4. The ball settles into a numbered pocket on the wheel.
5. Winning bets are paid according to fixed odds; losing bets are collected.
6. The next round begins and you can adjust your bet size or bet types.

Each spin is independent. The wheel does not “remember” previous results, and there is no pattern that guarantees wins. The only constant is the house edge built into the wheel you choose.

European roulette (single zero)

European roulette uses numbers 1–36 plus a single green 0. That zero is what gives the house its edge. If there were no zero, even-money bets like Red/Black would be truly 50/50.

• Layout: 37 pockets (1–36 plus 0).
• House edge on most bets: about 2.70%.
• Best default choice when you can pick your wheel.

If an online or live casino gives you the option between European and American roulette, European is usually the smarter long-term pick.

American roulette (double zero)

American roulette adds a second green pocket: 00. That extra pocket slightly lowers your chances on every bet, without increasing the payout.

• Layout: 38 pockets (1–36, 0 and 00).
• House edge on most bets: about 5.26%.
• Feels the same as European, but the numbers favour the house more.

American wheels are common in some land-based casinos and online lobbies. Unless you specifically enjoy them, sticking to single-zero games is almost always better value.

French roulette & special rules

French-style roulette uses a single-zero wheel, but may come with extra rules like la partage or en prison on even-money bets (Red/Black, Odd/Even, Low/High).

• La partage: If the ball lands on 0, you lose only half of your even-money bet instead of all of it.
• En prison: If the ball lands on 0, your even-money bet is “imprisoned” for the next spin. If it wins on the next spin, it is returned.

These rules slightly improve your long-term odds on even-money bets, making French roulette one of the most player-friendly versions if you can find it.

Outside bets: lower volatility, lower payouts

Outside bets cover large sections of the wheel. They win more often than single-number bets but pay less. They are a good starting point for new players who want their session to last.

• Red / Black: Covers 18 numbers. Pays 1:1.
• Odd / Even: Covers 18 numbers (zero is neither). Pays 1:1.
• 1–18 (Low) / 19–36 (High): Covers 18 numbers. Pays 1:1.
• Dozens (1–12, 13–24, 25–36): Covers 12 numbers. Pays 2:1.
• Columns: Vertical column of 12 numbers on the layout. Pays 2:1.

Even-money outside bets still carry a house edge because of the 0 (and 00 on American wheels), but they are the most stable way to experience roulette.

Inside bets: higher volatility, bigger payouts

Inside bets target specific numbers or small groups of numbers. They can deliver big hits, but they miss often.

• Straight-up: One number (e.g. 17). Pays 35:1.
• Split: Two adjacent numbers (e.g. 17–20). Pays 17:1.
• Street: Three numbers in a row (e.g. 1–2–3). Pays 11:1.
• Corner (square): Four numbers that meet at a corner. Pays 8:1.
• Six line: Two adjacent rows of three numbers (six total). Pays 5:1.

Many players mix a stable outside bet with one or two small inside bets for excitement, rather than going “all-in” on single numbers every spin.

Low-volatility approach

If your goal is to enjoy the game without wild swings, focus on outside bets and a steady stake size.

• Pick a European or French wheel when possible.
• Bet a small, fixed amount on Red/Black, Odd/Even, or High/Low.
• Decide your session bankroll in advance and stick to it.
• Take regular breaks instead of playing long, tilted sessions.

This won’t beat the house, but it keeps your play structured and more predictable.

Why betting “systems” don’t beat the wheel

You’ll see popular systems like Martingale (doubling after losses) or Fibonacci (following a sequence). They may create short streaks of small wins, but they do not change the underlying odds.

• The house edge is built into the wheel, not your bet size.
• Table limits and finite bankrolls mean you can’t double forever.
• A single bad run can erase many spins of profit.

Treat systems as a way to structure your bet sizes for fun, not as a guaranteed profit plan.

Understanding the edge in plain language

The house edge is the average percentage the casino expects to keep from each bet over the long run. On a European wheel, it’s around 2.70% for standard bets; on an American wheel, it jumps to around 5.26%.

That doesn’t mean you lose exactly 2.7% every night. Short-term, you might be up big or down big. Over many spins, the results tend to drift toward the built-in edge.

Why roulette feels “streaky”

Roulette outcomes are independent, but humans are good at spotting patterns—even when none exist. Red can hit several times in a row. 17 might show up twice in ten spins.

These streaks are normal randomness, not a signal that you should massively increase your stake. The best response is to stick to your plan and limits, not chase or “correct” the streak.

RNG vs live-dealer roulette

Online casinos typically offer two main types of roulette:

• RNG (virtual) roulette: Computer-generated wheel using a random number generator. Play at your own pace.
• Live-dealer roulette: A real wheel streamed from a studio with a human dealer and real-time chat.

Both can be fair when you play at licensed, reputable casinos. Live roulette feels more like a real casino; RNG games are faster and easier to play on a break.

Where to play roulette from Canada

Long-running brands that accept Canadian players usually offer European and live roulette tables. Availability and local rules can vary by province, so always check the terms, banking options and responsible gambling tools.

WillHills does not operate any gambling sites. We provide information so you can choose where to play, or whether to play, with clearer expectations.

Build a simple roulette bankroll plan

The difference between casual fun and stressful gambling is whether you have a plan. A simple structure is enough:

• Decide how much you can comfortably afford to lose in a session.
• Divide that bankroll into small units (for example 50–100 bets).
• Stick to one unit per spin instead of randomly jumping stakes.
• Set a time limit and a loss limit, and respect both.

Roulette should feel like entertainment. If you find yourself betting money meant for bills or savings, it’s time to stop and reassess.

Warning signs & where to get help

Roulette becomes a problem when:

• You chase losses or bet more when upset or stressed.
• You hide your gambling from people close to you.
• You borrow money or miss financial commitments because of play.

If any of this sounds familiar, pause immediately and use the support and helplines listed in our Responsible Gambling guide. Getting help early is a sign of strength, not failure.

House edge

The built-in advantage the casino has on each bet, expressed as a percentage over the long term.

Inside bet

A bet placed on specific numbers or small groups of numbers inside the main grid (straight-up, split, corner, etc.).

Outside bet

A bet placed around the outside of the grid that covers many numbers at once, such as Red/Black or Odd/Even.

La partage / En prison

French rules that can return part or all of your even-money bet when the ball lands on zero, improving long-term odds.

RNG roulette

Virtual roulette where a random number generator decides the outcome instead of a physical wheel.

Live-dealer roulette

Real wheel and dealer streamed online, where you place bets on a digital layout.

Is there a roulette system that beats the house?

No. Betting systems can shape your experience but they do not change the probabilities built into the wheel. The house edge always remains, whether you flat-bet, double after losses, or follow a sequence.

Which roulette wheel has the best odds?

In most cases, choose European or French roulette over American. Single-zero wheels have a lower house edge, and French rules like la partage can improve even-money bets slightly further.

What are the safest bets for beginners?

Outside bets like Red/Black, Odd/Even, and High/Low are the most stable options because they win more frequently. They still carry a house edge, but they’re less swingy than single-number inside bets.

Can I play live roulette online from Canada?

Yes, many licensed casinos that accept Canadian players offer live-dealer roulette alongside virtual (RNG) games. Always confirm that the site is reputable, regulated and supports safe, local banking options.

How much money should I bring to play roulette?

Only bring what you can afford to lose without affecting rent, bills or savings. Treat roulette like a night out: set a fixed budget, divide it into small bets and accept that you might spend the entire bankroll in exchange for entertainment.

What happens if the ball lands on zero on an even-money bet?

On most European and American games, an even-money bet loses when the ball lands on zero. On some French-style tables with la partage or en prison, you may lose only half your bet or have it carried over to the next spin.