You are looking at a wheel, a layout, and a set of chips that do not work like other chips
A roulette table looks busy the first time you stand at one, but almost everything on it is a repeat of the same information in two places. The wheel shows the numbers in one order. The felt layout shows the same numbers arranged in a grid, plus a set of boxes around the grid for broader bets. The chips are the part that surprises people: roulette chips are coloured per player, not per value, and they only mean something at the table where they were issued.
The game itself is one of the simplest on the floor. A ball is spun against the direction of the wheel, it loses speed, and it lands in one numbered pocket. You are not playing against other players. You are placing bets on where the ball will settle, and every bet is paid or taken according to how many pockets it covers.
The wheel: the same 36 numbers, with one variable that matters
A standard roulette wheel carries the numbers 1 through 36, alternating red and black, plus at least one green zero pocket. The two common layouts differ by exactly one pocket. A European wheel has 37 pockets because it carries a single zero. An American wheel has 38 because it adds a double zero alongside the single zero.
That extra pocket is not a cosmetic difference. It changes the arithmetic on every bet on the table, because the zero and double zero are not red, not black, not odd, not even, and not covered by most of the outside boxes. The number of pockets on the wheel is the denominator in every payout calculation, so the same bet placed on a 37-pocket wheel and a 38-pocket wheel carries a different house edge.
The numbers are not arranged in numerical order around the wheel. They are scattered in a sequence designed to spread high and low numbers and alternate colours as much as the layout allows. The felt grid, by contrast, puts the numbers in three columns of twelve, running 1 to 36 in order, with the zero or zeros sitting at the top of the grid.
What a round looks like from buy-in to next spin
You buy in at the table, not at a cashier window. You place cash on the felt, and the dealer gives you roulette chips in a colour assigned to you for that session. You cannot take those chips to another table or cash them at the cage; when you leave the table, the dealer exchanges them back for value chips.
Once players have chips, the dealer opens betting. You place chips directly on the felt, on the number or the box that names your bet. You can place as many bets as you like on a single spin, and you can cover overlapping outcomes. When the dealer calls an end to betting, the wheel is already spinning and the ball is travelling against it. From that moment nothing on the felt can be touched.
The ball drops into a pocket, the dealer marks the winning number on the layout, and settlement happens in a fixed order. Losing bets are cleared off the felt first. Winning bets are then paid, and the original stake on a winning bet stays on the layout until the player collects it. Only after all losing chips are removed and all winning bets are paid does the dealer open betting for the next spin. Reaching for your chips while losing bets are still being cleared is the fastest way to get your hand waved off the table.
The bet menu: inside, outside, and the boxes people misread
Roulette bets split into two families. Inside bets sit on the numbered grid or on its lines, and they cover a small number of pockets. Outside bets sit in the boxes around the grid, and they cover large groups of pockets. The payout is higher when the bet covers fewer pockets, and lower when it covers more.
| Bet | Where the chip goes | Pockets covered | What it pays |
|---|---|---|---|
| Straight up | On one number | 1 | 35 to 1 |
| Split | On the line between two numbers | 2 | 17 to 1 |
| Street | On the outer edge of a row of three | 3 | 11 to 1 |
| Corner | On the intersection of four numbers | 4 | 8 to 1 |
| Six line | On the outer edge between two rows | 6 | 5 to 1 |
| Column or dozen | In the box at the end of a column, or the 1st/2nd/3rd dozen boxes | 12 | 2 to 1 |
| Red, black, odd, even, 1-18, 19-36 | In the labelled outside boxes | 18 on a European wheel | 1 to 1 |
The outside boxes are where the zero pocket bites. A bet on red covers 18 red numbers, but the green zero and double zero are not red. The bet still pays even money, which means the payout is calculated as if the bet covered half the wheel while it covers slightly less than half. That gap is the house edge in its clearest form.
Some layouts also carry boxes for announced or call bets, which cover sections of the wheel rather than sections of the felt. These are more common on European tables and are usually handled by the dealer rather than placed by hand. If the felt has a racetrack oval next to the grid, that is what it is for.
Where the edge sits
Every roulette bet pays as if the zero pockets did not exist. A straight-up bet pays 35 to 1, which would be a fair price on a wheel with 36 pockets. On a 37-pocket wheel the same bet pays 35 to 1 while covering 1 pocket in 37, and on a 38-pocket wheel it covers 1 pocket in 38. The payout does not change; only the denominator does.
The practical consequence is that the house edge on an American wheel is higher than on a European wheel for the same bet, because the double zero widens the gap between the payout and the true odds. That does not make any bet a winning bet. It makes some wheels more expensive to play than others for the same wager.
Within a single wheel, the edge on most standard bets is the same, because the payout scale is built to match the number of pockets covered. The exceptions are the five-number bet on an American layout, which covers 0, 00, 1, 2 and 3 and carries a worse edge than the rest of the table, and any special rule that returns part of a losing even-money bet when the ball lands in zero. That rule, where it exists, changes the effective edge on those outside bets only, and it is printed in the table rules rather than on the felt.
Three procedural mistakes that cost new players before the ball even lands
The first is treating roulette chips like cash chips. Roulette chips have no denomination printed on them, and their colour is assigned by the dealer. If you walk away from the table with them, they are worthless at the cage and at every other table. Cash out before you leave the seat.
The second is placing a bet after the dealer has called no more bets. The call is not a suggestion. Once it is made, any chip that lands on the layout is a late bet and will be returned or refused, and a chip that lands on top of another player's stack creates a dispute about whose bet it is. Place your bets while the table is open and keep your hands off the felt after the call.
The third is confusing a neighbour bet with a split. A chip placed on the line between two numbers is a split. A chip placed on the line between two outside boxes is usually a mistake, not a bet, and the dealer will ask what you intended. If you want to cover a section of the wheel, ask for the call bet by name and let the dealer place it.
What the strategy charts do and do not do
Roulette has no decision points after the ball is released, so there is no playing strategy in the blackjack sense. The only decisions you make are which bets to place, how many, and for how much. A betting progression, such as doubling a losing even-money bet, changes the shape of your session but not the edge on each spin. The wheel has no memory, and no sequence of previous numbers changes the odds on the next spin.
What does exist is a set of structural choices: a single-zero wheel over a double-zero wheel where both are offered, inside bets when you accept lower hit frequency for a larger payout, and outside bets when you prefer more frequent but smaller returns. Those are trade-offs between variance and payout, not between winning and losing. The expected loss on any spin is built into the gap between the payout and the number of pockets, and it stays there no matter how the bets are arranged.
FAQ
What is the difference between a European and an American roulette wheel?
A European wheel has 37 pockets: the numbers 1 through 36 plus a single zero. An American wheel has 38 pockets because it adds a double zero. The extra pocket increases the house edge on the American layout for the same bets, since the payouts do not change to reflect the additional pocket.
Can I use regular casino chips at a roulette table?
You can buy in with them, but the dealer will exchange them for roulette chips in a colour assigned to you at that table. Roulette chips are not marked with a value and are only valid at the table where they were issued. You exchange them back for value chips before you leave.
What is the best bet to place in roulette?
There is no bet that removes the house edge. The choice is between bets that cover many pockets and pay small amounts, and bets that cover few pockets and pay larger amounts less often. The edge on most standard bets is the same on a given wheel, so the choice is about how much variance you want in a session, not about which bet is mathematically stronger.
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This article is general information about how these mechanics work. It is not legal advice and not a recommendation to gamble or to use any particular operator. Availability and legality differ by jurisdiction — check the rules that apply where you are.