Written by: James Awland Published on: 18 April 2024 Last updated: 26 August 2026
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Roulette Wheel and Betting Strategy
Tags: Games Strategy
Read time: 7 min

How Roulette Odds Actually Work

A roulette wheel pays out as though the zero were not there. On a European wheel there are 37 pockets, numbers 1 to 36 plus a single zero, but a winning straight-up number pays 35 to 1 rather than the 36 to 1 that would make the bet even. That gap is the house edge, and on a single-zero wheel it works out at 2.70%.

An American wheel adds a second zero. Now there are 38 pockets, the payout is still 35 to 1, and the edge more than doubles to 5.26%. Same game, same bets, a slightly different table layout, roughly twice the long-run cost. Choosing the single-zero table is the one decision that measurably changes what roulette costs you.

The third variant, French roulette, goes further still. It uses a single-zero wheel and adds a rule called La Partage, where a zero returns half your stake on even-money bets instead of taking all of it. A related rule, En Prison, typically holds an eligible even-money bet for one further spin after zero. Where either applies, the edge on those even-money bets falls to roughly 1.35%.

Wheel Pockets House Edge
French (with La Partage) 37 (Single Zero) About 1.35% on even-money bets
European 37 (Single Zero) 2.70%
American 38 (Double Zero) 5.26%

La Partage isn’t on every table, though, and where it applies it generally covers even-money bets only.

Rather than assuming a system such as Martingale will work, compare the rules and house edge first. Start by checking what leading roulette sites offer, then choose a table variant and bet types you understand. Experimenting with real money is rarely a good idea.

Inside vs Outside Bets & Payouts

Roulette bets split into two categories. Inside bets cover single numbers or small groups of them, so they pay more and land less often.

The second category is outside bets, which cover larger sections of the layout like red or black, odd or even, and dozens. Their payouts are lower, but they hit more frequently. The table below outlines the payout rates for both categories.

Bet Covers Pays
Straight up (Inside) 1 Number 35 to 1
Split (Inside) 2 Numbers 17 to 1
Street (Inside) 3 Numbers 11 to 1
Corner (Inside) 4 Numbers 8 to 1
Six Line (Inside) 6 Numbers 5 to 1
Dozen/Column (Outside) 12 Numbers 2 to 1
Red/Black, Odd/Even, High/Low (Outside) 18 Numbers 1 to 1

Now the part that surprises people: on a given wheel, every one of those bets carries the same house edge. A straight-up number and a red/black bet cost you the same percentage over time. What changes is the playing style. Neither is smarter. They just suit different temperaments and bankrolls.

Yet, these are only the most common types of inside and outside bets. Some tables allow you to use a special feature, called the ‘racetrack’ or ‘carousel’. With it, you can place several chips across wheel sections in one click. Voisins du Zero covers 17 numbers, Tiers du Cylindre covers 12, and Orphelins covers eight. Jeu Zero focuses on numbers near zero.

Roulette Betting Strategies, Honestly

Every popular roulette betting strategy is a rule for changing your stake after a win or a loss. None of them touches the odds of the next spin, because the wheel does not know what happened on the last one. What they change is how your bankroll behaves along the way, and each has a specific failure mode:

System The Rule Where It Breaks Down
Martingale Double your stake after every loss. Stakes escalate brutally fast. A run of losses hits the table maximum or empties the bankroll, and one capped bet wipes out every small win before it.
Reverse Martingale (Paroli) Double after every win, reset after a loss. Streaks end. The loss always lands on your largest stake, handing back the run in a single spin.
D’Alembert Up one unit after a loss, down one after a win. Gentler than Martingale, but it assumes wins and losses roughly balance out. Over a long enough session the zero makes sure they do not.
Fibonacci Move along the sequence after a loss, back two after a win. Slower escalation, same ending. A long losing run still pushes stakes past what most bankrolls or table limits allow.
Labouchere Cross numbers off a target sequence as you win. Losses lengthen the sequence, so stakes grow while the target recedes. Hardest of the five to track once a session goes badly.

We walk through each of those, plus the James Bond system, in our full guide to roulette betting systems, with a worked example in pounds for each. Progressive betting strategies for roulette trade lots of small wins for the occasional very large loss, which is why they feel like they are working right up until they are not. The same mathematical principle is explained in the guide to slots strategy. No staking pattern turns a negative-edge game into a positive one, and roulette has been negative-edge since the zero was added to the wheel.

Do Any Roulette Strategies Work

It depends what you want a roulette betting strategy to do. If you expect to turn roulette into a long-term winner, no, and anyone selling that is selling a myth. The belief that a colour is ‘due’ after a run is the gambler’s fallacy, a well-documented error. Indeed, a long run of black should tell you nothing about the next spin.

The wheel has no memory of where the ball last landed, and nothing in it balances the books later. Each spin starts from the same 37 or 38 pockets. So, if you seek fun and a more enjoyable gaming session by using betting strategies for roulette, then yes, they can work. Here are a few things that can genuinely help:

  • Pick the Single-Zero Wheel – the only choice that changes the actual edge, and French rules better still.
  • Set a Budget Before You Start – decide the amount you are content to lose, and treat it as the cost of the entertainment.
  • Size Stakes for the Session Length You Want – smaller units on outside bets stretch a bankroll further than chasing straight-up numbers.
  • Decide Your Walk-Away Point in Advance – both the losing limit and the winning one. Also, besides using the best betting strategy in roulette, you should also know when to cash out your winnings.
  • Don’t Be Distracted by Other Players – their streaks, superstitions, and betting patterns do not affect your odds, so stick to your own budget and plan.

These are the same honest bits of advice we share for card tables in the blackjack strategy guide. There is one real difference: in blackjack your decisions affect the edge, so basic strategy measurably reduces it. In roulette they do not. Once the bet is down, the wheel does the rest. That is also why live dealer tables play exactly the same as the software versions in odds terms.

Playing Responsibly

Roulette is designed as entertainment with a known cost. That cost only stays acceptable if you fix the amount in advance, which is what deposit and session limits are for. Every UK-licensed site runs its games on tested random number generators and has to meet the UKGC’s fairness standards.

However, ‘fair’ means the stated odds are the real odds. It does not mean the edge goes away. If a session stops being fun, or you find yourself staking more to recover what you have lost, that is the moment to stop rather than adjust the system.

Deposit limits, time-outs and self-exclusion are built into every licensed site, and the full guide to minimising online casino losses covers all practical tools in more detail. For further help, GambleAware offers free, confidential support, and the National Gambling Helpline is available on 0808 8020 133.

Frequently Asked Questions

Below, we answer common questions about roulette betting strategies, game rules, odds, and wheel variants. Remember that roulette outcomes are random, and no strategy can remove the house edge or guarantee a profit.

Which roulette wheel has the best odds?

After a detailed wheel comparison, the answer should be the single-zero wheel. For instance, a European wheel carries a 2.70% house edge against 5.26% on an American double-zero wheel, so the same bet costs you roughly half as much over time. French tables with La Partage are better still, at about 1.35% on even-money bets.

Is Martingale the best roulette betting strategy?

Not in the way it promises. Although it is one of the most widely used roulette betting systems, doubling after a loss recovers small amounts reliably, but a losing run escalates stakes fast. One table-limit or bankroll wall wipes out every win before it. It changes the pattern of your results, never the house edge.

Can you use La Partage rule as a betting strategy in roulette?

This is a French roulette rule that returns half your stake when the ball lands on zero, instead of losing the lot. It roughly halves the house edge to about 1.35%, but applies only to even-money bets. En Prison is a related rule that holds the bet for the next spin. So, if used correctly, the answer is Yes.

Are online roulette wheels random?

At UKGC-licensed sites, yes. All games run on tested random number generators and must meet the UK Gambling Commission's fairness standards. That means the stated odds are the real odds, which is not the same as the edge going away, since the house margin is built into the payouts rather than added by rigging.

What is the difference between inside and outside bets?

Inside bets sit on individual numbers and pay more but land rarely. Outside bets cover big groups like red or a dozen and pay 1 to 1 or 2 to 1 far more often. Both carry the same house edge on the same wheel, so the choice depends on preferred volatility and payout frequency rather than value.

Can a roulette betting system give you an edge?

No, as every bet on the table carries a negative expected return. The longer you play the more the house margin asserts itself, and changing your stake size does not reverse that. Treat the roulette betting strategies as paid entertainment with a known cost, and use the deposit limits and time-outs every licensed casino provides.

Sources & Further Reading

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