Understand the Wheel, Bets and Roulette Outcomes

Updated October 2026

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A practical guide to roulette bets, table layouts, odds and payout rules.

The Wheel, the Layout and the Basic Bet

Roulette combines a physical or digital wheel with a betting layout. A player selects a position on the layout, places a stake there, and waits for a spin to produce an outcome. The wheel determines the result; the layout records what has been backed. Understanding that distinction is the starting point for the basic rules of casino roulette.

The wheel is a circular track divided into numbered pockets. A ball is set in motion around the wheel and eventually settles in one pocket. In European Roulette, the wheel has 37 pockets, including a single zero. The pocket in which the ball comes to rest is the result of that spin. A bet is judged against that result according to the position or group of positions selected on the table.

The betting layout is usually shown beside the wheel, although a digital game may present both on the same screen. Its numbered areas correspond to outcomes on the wheel, while other areas represent groups of numbers. A bet can therefore relate to one specific number or to a broader category. The layout is not a second wheel: it is a way to specify which result, or range of results, a stake depends on.

A basic roulette round follows a simple sequence. First, a stake is assigned to one or more betting positions. The game then accepts bets for the coming spin. Once betting is closed, the wheel is spun and the ball travels around it until it settles. The resulting pocket is compared with the positions that were backed. Bets that match the result are settled as winning bets; those that do not match are lost. The precise settlement depends on the bet selected, so the same spin can produce different outcomes for different positions.

This relationship between a bet and a spin is central to the game. A stake does not influence where the ball lands, and the wheel does not change to accommodate the selection on the layout. The bet is a prediction about the result, expressed through the table’s marked positions. If the result falls within the selection, the bet qualifies as a win under the relevant rule. If it falls outside it, the selection has not succeeded.

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In a live game, a dealer operates the wheel and manages the table. In an automated or online game, software may perform those functions and display the wheel, ball and betting layout on screen. The presentation differs, but the basic structure remains: a bet is recorded for a spin, the spin produces a pocket result, and that result is checked against the bet. The visual style of a game does not by itself change what the bet represents.

A roulette table may display a large number of betting positions at once. This can make the game appear more complicated than its basic logic. Each position is simply a different way of defining the result on which the stake depends. Selecting a single-number position makes the bet specific to that number. Selecting a group position ties it to the numbers included in that group. The table’s markings communicate these choices before the spin begins; the wheel supplies the outcome afterward.

A bet must be understood as a selection for a particular spin, rather than as a general prediction for the session. Once a spin has produced its result and the bet has been settled, that result does not itself place a stake on the next spin. A new bet is a separate selection. This distinction helps keep the basic procedure clear: each round has its own betting stage and its own wheel outcome.

The simplest way to follow a round is to identify three things: the position backed, the spin’s final pocket, and whether the selected position corresponds to that pocket. More detailed questions—such as how table areas are arranged, how different categories are named, or how a winning stake is calculated—depend on particular features of the layout and bet. At this introductory level, the essential rule is that the layout defines the prediction and the wheel determines whether it matches.

Roulette Rules in New Zealand: The Regulatory Context

The rules governing roulette have two distinct layers: the rules of the game and the legal framework applying to the business that offers it. For New Zealand, the latter changed in 2026. The Online Casino Gambling Act 2026 created the country’s first domestic licensing system for online casino gambling, while setting out a transition between the previous offshore-only environment and the future regulated regime.

The Department of Internal Affairs (DIA) is New Zealand’s primary gambling regulator and oversees regulation of the online casino licensing framework. The Gambling Commission has a separate decision-making role: it considers and determines casino licensing applications, issues online casino licences and approves changes to licence conditions. These responsibilities distinguish general regulatory oversight from decisions about whether an operator may hold a licence and the conditions attached to it.

The transition created by the 2026 Act

The Act came into force on 1 May 2026. Its transitional provisions allow online casinos that were already providing services to people in New Zealand before that date to continue operating until 1 December 2026. This is a time-limited arrangement, not evidence that every operator serving New Zealand is already licensed under the new system. The full licensed regime is not expected to be operational until 2027.

The transition also establishes a deadline for providers that have not applied for a licence: they must stop conducting online casino gambling in New Zealand by 1 December 2026. The Act sets out a future licensing framework, but the transition means that the regulatory position cannot be reduced to a simple assumption that all online casino sites are already operating under a completed domestic licensing system.

Unlicensed operation is expected to become an offence from around mid-2027. Operators without a licence may face enforcement action and fines of up to NZ$5 million. The legal consequences described here concern providers, not individual players: a New Zealand resident is not subject to a fine or criminal prosecution merely for playing at an offshore casino without a local licence.

The position before the new framework

Before the Act was passed, online casino gambling supplied from outside New Zealand was not licensed or supervised by a New Zealand regulator. A customer who wagered through an offshore website during that period had no domestic government recourse in relation to the service. The fact that a website could be accessed from New Zealand did not mean it was covered by local casino oversight.

The older Gambling Act 2003 did not permit online casinos to be established within New Zealand. The 2026 Act changes the framework by providing for domestic licences, rather than by treating online casinos as locally based businesses under the previous arrangement. These distinctions matter when assessing what oversight applied at different times: the former absence of local supervision should not be confused with the licensing structure being introduced under the new law.

What regulation means for online roulette

Roulette is one form of online casino gambling, so its legal context depends on the status of the provider and the applicable transition or licensing rules. The Act’s framework concerns the operators and their permission to offer online casino services; it does not replace the rules of roulette itself or alter how a particular spin is settled.

As the licensed regime develops, licensed operators must implement stricter age and identity verification systems. Those requirements are part of operator oversight, rather than features of roulette’s table layout or betting mechanics. During the transition, providers remain subject to the Act’s transitional provisions, and the licensing system should not be described as fully operational before that status changes.

The regulatory picture in 2026 is therefore transitional: the DIA oversees the framework, while the Gambling Commission makes licensing decisions and determines applications. Existing providers may continue only within the stated transition, and the later regime is intended to bring online casino operation under domestic licensing. These are market-level rules; they are separate from the game rules that determine where bets are placed and how roulette outcomes are resolved.

How to Read the Roulette Table

A roulette table is organised into marked betting areas. The central section is a numbered field, while broader areas sit around it for bets that refer to groups of numbers or shared characteristics. These markings provide the table’s own visual language: a chip’s position identifies the selection being made, and the printed boundaries distinguish one selection from another.

The numbered field is usually the most visually detailed part of the layout. Each number has a defined space, arranged in a regular grid rather than in the order in which pockets appear around the wheel. The numbers are also printed with their corresponding colours. This makes the layout useful for locating an individual selection, but it should not be mistaken for a diagram of the wheel. The table organises betting choices for placement; the wheel has its own sequence and physical arrangement.

Around the numbered field are areas for broader selections. Their labels describe groups rather than individual numbers, and their positions are separated from the spaces used for single-number selections. The layout may also include marked sections for groups formed by colour, parity or range. These outside areas are not extra numbered pockets. They are places to indicate a bet that covers a category of outcomes.

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The exact appearance can vary between a physical table and a digital interface. A live table may use printed cloth and chips, while a software version may reproduce the same general arrangement on screen. In either format, the practical task is to identify the marking that matches the intended selection and place the chip fully within its designated area. Where boundaries are close together, a chip placed across a line may be ambiguous or may be treated according to the table’s procedures. The table’s instructions therefore matter when the interface or dealer indicates that a placement is unclear.

Labels and boundaries carry more meaning than visual proximity. Two spaces that sit next to one another do not necessarily represent related selections, while a broad marked area may apply to numbers scattered across the numbered field. Reading the printed wording, symbols and divisions is more reliable than inferring a bet from the apparent location of a chip alone. This is particularly relevant on compact displays, where labels may be smaller or the layout may be adapted to fit the screen.

Table positions and wheel positions

Some roulette terminology refers not to the table’s markings but to the order of pockets around the wheel. Called bets belong to this wheel-based vocabulary. Their groupings follow which numbers sit near one another on the wheel, rather than which numbered spaces appear adjacent on the betting grid. The distinction matters because the wheel and table arrange information for different purposes: one presents physical pocket order, and the other presents betting selections.

A called bet may therefore be displayed through a control, menu or dealer announcement rather than by selecting a contiguous patch of the table. Its name signals a particular wheel grouping, not a region that can be identified simply by looking at neighbouring spaces on the grid. In digital games, an interface may offer these calls as separate options; the underlying reference remains the wheel’s sequence.

This distinction helps prevent a common reading error: treating the numbered grid as if it reproduced the wheel’s layout. It does not. Table locations show where a selection is entered, whereas wheel-based terms describe how a group relates to the pockets arranged around the rim. A clear understanding of roulette table rules therefore depends on keeping these two forms of organisation separate.

Before a spin, the betting layout can be read from the selection outward: first identify whether the intended choice is an individual number or a broader marked group, then locate its designated area. If the choice uses a called-bet term, it should be understood through the wheel grouping indicated by that term, not guessed from nearby boxes on the table. These distinctions describe how the layout communicates selections; they do not change the meaning of the wheel’s pockets themselves.

Roulette Odds and Payout Percentages

Payout percentage and house edge describe the same mathematical relationship from opposite sides. The payout percentage represents the theoretical share of stakes returned to players over many plays; the house edge represents the share retained by the casino in that calculation. Neither figure predicts the result of a particular spin, and neither promises that an individual session will match the stated percentage.

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For single-zero European Roulette, the house edge is 2.70%. A specialist review gives its payout percentage as 97.30%. These figures are complementary: the portion not represented as theoretical returns is the casino’s mathematical advantage. The percentage describes the game’s structure, not a guaranteed return to any player.

A specialist review reports a payout percentage of 94.70% for American Roulette. That is lower than the reported European figure, indicating a larger theoretical cost to play under those stated percentages. The reported figure should be read as an estimate associated with that review, rather than as a universal rate for every table or game presentation. The detailed effect of the American wheel’s layout is a separate matter.

The label “100/1 roulette” is associated with a wider reported payout range. A specialist review places it between 92.86% and 96.19%. That spread matters: a single percentage would imply more consistency than the reported range supports. The range also overlaps the stated European and American figures, so the label alone does not establish that a particular version has a higher or lower return than either comparison. The applicable game information is needed to identify which stated rate applies.

These figures are useful for comparing theoretical costs, but they should not be treated as interchangeable with a table’s posted winning odds or as a forecast of short-term results. A payout percentage is an aggregate measure. It does not mean that each stake returns the same proportion, or that losses and wins occur in a predictable sequence.

The clearest comparison available for a single-zero game is therefore the European figure: a 2.70% house edge alongside a 97.30% payout percentage as reported by a specialist review. The American payout estimate is lower, while the stated 100/1 range is broad enough that its position depends on the particular reported value. Comparisons should retain that distinction between a defined single-zero house edge and payout figures attributed to specialist reviews.

Percentages also depend on the game being compared. A label or headline figure is not sufficient to infer that every roulette table follows the same mathematical terms. For a sound comparison, the stated percentage must be tied to the relevant game, and estimates should remain identified as estimates where their source presents them that way. The figures describe theoretical proportions across repeated play; they do not remove uncertainty from any individual outcome.

Double-Zero Roulette: What Changes

American Roulette is distinguished by two zero pockets: a single zero and a double zero. Together with the numbered pockets, they make a total of 38 pockets. The extra zero is the defining feature of the double-zero wheel; it is not merely a different label for the single-zero game.

This changes the odds attached to bets because both zero pockets are possible outcomes. The house edge for American Roulette is 5.26%. That figure describes the game’s built-in mathematical advantage for the house; it does not predict the result of an individual spin. The double-zero pocket increases that advantage compared with a single-zero wheel, since there is an additional outcome that can affect a bet.

The basic procedure remains roulette: a bet is placed before a spin, and the result determines whether it wins or loses under the table’s rules. The presence of two zero pockets matters at the point of settlement, particularly for bets that would otherwise cover a broad group of numbered outcomes. A bet’s name or position on the table does not remove the additional zero outcome from the wheel.

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Rules can also vary between tables, so the treatment of zero and double zero should not be assumed to be identical everywhere. A specialist review reports that some American roulette tables in Atlantic City return half the stake on eligible even-money bets when either zero lands. This is a reported table-specific rule, not a standard feature of American Roulette. The distinction matters: the existence of that arrangement in some reported cases does not establish that it applies to American tables generally, or to tables offered elsewhere.

Accordingly, the double-zero rules for a particular game are determined not only by the wheel but also by the stated table rules. The double-zero pocket is part of the standard American wheel, while a half-stake return on zero outcomes is a special condition that must be explicitly offered. Without such a condition, no such return should be presumed.

A double-zero wheel can therefore be identified by its two zero pockets and its 38-pocket total, while the table’s rule display determines whether any special treatment applies when one of them lands. The distinction is relevant when comparing games: the wheel defines the possible outcomes, and the table conditions define how particular bets are handled. Neither a special rule nor the choice of bet makes outcomes certain. Roulette results are random, and every real-money bet can lose; no betting system removes the house edge. Stakes should not exceed what can be afforded to lose.

Inside and Outside Bets on a Roulette Table

Roulette wagers are commonly grouped as inside or outside bets. The distinction describes the kind of selection being made, rather than whether a bet is more or less likely to win. Inside bets focus on individual numbers or small combinations of numbers. Outside bets cover broader categories, such as colour, parity or ranges. The table marks these different betting areas, but the settlement rule for a wager depends on the bet type and the wheel’s result.

An inside bet is attached to a specific number or a limited group of numbers. A straight-up selection concerns one number; other inside selections combine numbers in neighbouring positions on the betting grid. These wagers are distinct from outside bets, which select a category covering several numbered outcomes. A bet on red or black, odd or even, or a numbered range is an outside bet. The labels identify the selection, while the spin determines whether it wins.

Zero has a particular effect on some outside bets. La Partage and En Prison apply only to eligible even-money outside bets, and only when zero lands. They do not extend to inside bets or to every outside selection. Even-money bets include selections such as red or black and odd or even: the potential winnings match the stake if the selection wins, while the stake is at risk if it loses. The zero rules alter what happens to that stake; they do not change the category of the original wager.

Under La Partage, zero causes half of an eligible even-money stake to be returned, while the other half is collected. The bet therefore does not lose its entire stake on that outcome. This treatment is limited to the specified bet types and the zero result; it is not a general refund rule for roulette wagers.

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En Prison handles the same eligible bet differently. When zero lands, the stake is held for the next spin rather than settled as a win or loss immediately. If the next spin produces a winning result for the original selection, the stake is returned, but no additional winnings are paid. If the next spin produces a losing result, the stake is collected. The wager therefore remains unresolved through that next spin, and the original selection continues to determine the outcome.

These rules should not be confused with ordinary settlement of an outside bet. Without the relevant zero rule, a losing result costs the stake; a winning result is settled according to the selected category. La Partage and En Prison are specific exceptions for even-money outside bets when zero appears, not protections for all bets placed on a roulette table.

The practical distinction is therefore twofold: inside and outside describe the kind of outcome selected, while La Partage and En Prison describe special settlement after zero for a narrow class of outside wagers. Their availability depends on the roulette rules in force at the table. A bet’s position on the layout alone does not establish that either rule applies; the stated table rules determine whether an eligible stake is partly returned or carried forward.

French and Mini Roulette Rules

French Roulette is built around the single-zero wheel used in European Roulette, but its rules can differ when the ball lands on zero. La Partage and En Prison are the notable exceptions to ordinary settlement for eligible even-money outside bets. Under La Partage, half the stake is returned; under En Prison, the bet is held for the next spin. These rules apply only to even-money bets when zero appears, not to every wager on the table.

The distinction affects the game’s mathematical cost. With La Partage or En Prison in force, French Roulette’s house edge falls to 1.35%. Without either rule, the single-zero wheel has the standard European Roulette house edge. The French label alone is therefore not enough to establish which settlement applies: the table’s stated rules matter. La Partage is specific to French Roulette, while En Prison is also associated with French tables.

Mini Roulette is a separate variant, distinguished by a much smaller wheel containing 13 pockets. Its stated house edge is 7.89%, substantially higher than the edge for single-zero European Roulette. Where La Partage applies, Mini Roulette’s house edge decreases to 3.85%. The reduced figure does not make its wheel equivalent to a standard French or European wheel; the number of pockets and the named variant remain different.

The practical comparison is consequently not just a matter of table appearance. French Roulette retains a single-zero layout and may offer special treatment of eligible bets when zero lands. Mini Roulette has fewer pockets and a higher stated house edge, although La Partage lowers that figure. Since the special rule changes the handling of particular bets rather than the wheel itself, the variant name and the zero rule should be considered separately when identifying roulette game rules. In both cases, the applicable terms are those displayed for the specific game; a label should not be taken as proof that a particular rule is active.

Minimum Bets and Table Limits

A roulette minimum is the smallest stake accepted for a particular betting position or round. It is a point of entry, not a measure of the game’s likely cost over time. The table or operator sets the applicable stake conditions, so the minimum can differ between tables, including tables offered through the same casino.

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The minimum should be read alongside any maximum stake shown for the table. These figures define the permitted range for a bet; they do not change how the roulette wheel operates. A table may also apply different limits to different bet positions. The relevant conditions are those displayed for the selected table before a stake is placed, rather than a general figure assumed to apply across all roulette games.

There is no uniform New Zealand-wide roulette minimum that can be stated for every table. The practical rule is table-specific: the displayed minimum governs the lowest accepted stake, while the operator’s terms may set further conditions. A change of table can therefore mean a change in the permitted stake range, even when the game variant remains the same.

Bonuses can impose separate restrictions on funds used for roulette. Bonus money must be wagered 50X within 30 days, while winnings from free spins must be wagered 50X within 7 days. A withdrawal request voids active or pending bonuses. These conditions do not define a roulette table’s minimum, but they can affect how promotional funds and related winnings may be used.

Stake limits do not make a bet safe or guarantee that losses will remain within a chosen amount. Roulette is a real-money game in which every bet can lose, so the amount risked should not exceed what can be afforded to lose. The table’s minimum is only the smallest permitted stake; it is not a recommendation to play at that level, nor a prediction of the total amount that may be lost over a session.

How Roulette Bets Are Paid

Roulette payout rules determine what happens to a stake after the result is known. On an ordinary winning bet, the stated return follows the bet’s payout terms. A payout percentage is different: it describes the game’s theoretical return across play, not the treatment of a particular stake on a particular spin. Special zero rules alter that immediate settlement for certain bets; they do not mean that every wager is handled differently.

La Partage applies to eligible even-money outside bets when zero lands. Instead of collecting the whole stake, the table returns half of it and takes the other half. The rule is exclusive to French roulette. It does not apply to other bet categories, and it does not change the settlement of a spin on which zero does not land.

En Prison handles the same eligible bet differently. When zero appears, the stake is carried forward rather than settled at once. If the following spin produces a result that would have won the original even-money bet, the original stake is returned, but there are no additional winnings. If that next spin produces a losing result, the stake is collected. The treatment of the original wager therefore remains unresolved until that spin.

These rules should not be confused with an ordinary payout percentage. That percentage is a measure of expected return over many outcomes; La Partage and En Prison specify what happens to an eligible stake in the particular case where zero lands. They are conditional settlement provisions, not general bonuses or extra winnings.

The distinction matters when comparing tables. A French roulette table may offer La Partage or En Prison, but the rule should be confirmed in the game’s displayed information rather than assumed from the table’s name. Where either rule applies, its scope remains limited to even-money outside bets and the zero outcome. Other wagers are settled under their own terms.

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Roulette Strategy, Randomness and Risk

A roulette strategy can govern how stakes are selected, but it cannot change the random mechanism behind the wheel. Each spin is independent: previous results do not alter the probability of outcomes on the next spin. A sequence of one result therefore provides no evidence that another result is due, and a run of wins does not make a future win more likely.

This distinction matters when evaluating betting systems that increase or alter stakes after losses. Such systems change the pattern of exposure, not the underlying probabilities. No staking method removes the house edge, and every real-money bet can lose. A strategy may affect how much is staked and how outcomes are experienced, but it cannot ensure a profit or make a losing sequence impossible. Money that cannot be afforded to lose should not be risked.

The verified exception in terms of relative odds concerns French Roulette’s special treatment of eligible even-money bets. When La Partage or En Prison applies, French Roulette offers better odds on those bets than roulette without the rule. La Partage can reduce the effective house edge on eligible bets when zero lands. This advantage is conditional: it does not apply to every bet on the table, nor does it remove the possibility of losing. It is a feature of the rules, not a betting system.

Bonuses also involve conditions separate from roulette probabilities. Bonus money must be wagered 50X within 30 days, while winnings from free spins must be wagered 50X within 7 days. A withdrawal request voids all active or pending bonuses. These conditions can affect whether promotional funds or related winnings remain available; they do not improve the odds of a spin.

A sound assessment of roulette strategy therefore separates controllable choices from uncontrollable outcomes. Stake selection and the choice of a roulette variant are decisions, while the result of an individual spin is random. French rules can improve the terms for eligible even-money bets, but neither those rules nor a staking pattern guarantees a return. Roulette remains a game in which every real-money bet carries a risk of loss.

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