The bet that covers a slice of the wheel
You sit down at a roulette table and hear a player announce a bet you have never seen on the layout. The dealer places chips in a pattern that does not match any single box printed on the felt. What you are watching is a call bet, and the tier is one of the most common. It is a fixed group of wagers that covers 12 numbers arranged in a specific arc of the wheel, and it exists only on wheels with a single zero.
The tier bet, sometimes called tier du cylindre, is a bet on a section of the wheel rather than a section of the betting layout. On a European wheel, which has 37 pockets numbered 0-36, the tier covers the 12 numbers that sit opposite the zero. The bet is placed as a set of split bets, each covering two adjacent numbers on the layout, so the chips never sit inside a single number box. The dealer knows the pattern and places it on request.
Understanding the tier means understanding two separate maps at once. The printed layout arranges numbers in rows and columns, but the wheel arranges them in a physical circle. The tier is defined by the wheel, not the layout, which is why it looks scattered when the dealer places it.
Which numbers the tier covers
The tier bet covers 12 numbers. The exact set is fixed by the geometry of the single-zero wheel, and the numbers are not consecutive on the betting layout. They are consecutive on the wheel itself, running in a block from one side of the zero to the other.
Because the bet is built from splits, the 12 numbers are covered by six split bets. Each split sits between two of the tier numbers on the layout. The chips are placed on the lines separating those pairs, not inside the individual number boxes. This is what makes the tier look unusual to a new player: six chips spread across the layout, none of them on a single number.
The tier is one of several call bets that follow the wheel's geometry. Others include the voisins du zéro, which covers the numbers nearest the zero, and the orphelins, which covers the two small groups left over. Each is a fixed pattern, and each exists because some players think in terms of wheel sectors rather than layout rows.
| Feature | Tier bet | Straight-up bet |
|---|---|---|
| Numbers covered | 12 fixed numbers | 1 chosen number |
| How placed | Six split bets | One chip in one number box |
| Defined by | Wheel geometry | Layout position |
| Available on | Single-zero wheels | All wheel types |
| Payout structure | Split payouts on winning pair | Fixed payout for the single number |
How the bet plays out in a round
A tier bet does not change the sequence of a roulette round. The ball is spun, the wheel slows, and the ball settles in one pocket. What changes is how the outcome is read against your chips.
When the ball lands in one of the 12 tier numbers, you win the split that contains that number. The payout for a winning split is the standard split payout, and the other five splits lose. When the ball lands anywhere else, all six splits lose. The bet is settled exactly like any other group of split wagers; it is only the placement that is unusual.
The tier is often treated as a single bet by the player but is mechanically six separate bets. This matters for bankroll sizing and for reading the table minimum. If a table has a minimum per bet, the tier usually requires six times that minimum because six splits are placed. The dealer or the table rules will state how the minimum applies to call bets, and it is worth asking before you announce one.
Where the tier sits among roulette bets
The tier is a multi-number bet, and its house edge is the same as any other split bet on the same wheel under the same rules. A split covers two numbers, and the payout is fixed by the wheel type. The tier does not carry a special edge or a special payout because it is a call bet; it is six ordinary splits arranged in a pattern.
What differs across roulette bets is how much of the wheel each wager covers and how the payout scales against that coverage. A straight-up bet covers one pocket and pays at the highest multiple. A split covers two and pays less. The tier covers 12 pockets across six splits, so it behaves like a spread of split bets rather than a single high-payout wager.
| Bet type | Pockets covered | How placed | Payout structure |
|---|---|---|---|
| Straight-up | 1 | Single number box | Highest fixed multiple |
| Split | 2 | Line between two numbers | Lower fixed multiple |
| Tier (six splits) | 12 | Six split positions | Six split payouts |
| Dozen | 12 | Marked dozen box | Fixed multiple for the block |
The tier and a dozen bet both cover 12 numbers, but they do so differently. A dozen is a single bet on 12 layout-consecutive numbers and pays as one unit. The tier is six separate split bets on wheel-consecutive numbers, and each split settles on its own. The total number of pockets covered is the same, but the payout pattern and the chip placement are not.
Procedural mistakes new players make
The first mistake is trying to place the tier yourself by scattering chips across the layout. On tables that offer call bets, the dealer places them. Announcing the bet and letting the dealer set the chips is the correct procedure, because the pattern is fixed and the dealer knows it. On tables that do not offer call bets, the tier simply is not available, and no amount of self-placement recreates it as a call bet.
The second mistake is assuming the tier exists on every wheel. It is a feature of single-zero wheels. An American wheel has 38 pockets and a different physical arrangement, and the tier pattern does not transfer to it. If the table has a double zero, the call bets you may know from a European layout do not apply in the same form.
The third mistake is reading a tier win as a win on all 12 numbers. Only the split containing the winning number pays. The other five splits lose, and the payout is the split payout, not a payout for covering 12 numbers. Players who size the bet as if it were one wager often misread the return when it hits.
How the wheel type changes the tier
The tier is defined by the wheel, and the wheel type changes everything about it. A European wheel has 37 pockets and a single zero. The tier covers the 12 numbers on the opposite side of the wheel from that zero. The extra pocket on an American wheel changes the geometry, so the fixed call-bet patterns built for a single-zero wheel do not carry over.
This is a case where the rule set in use determines what a bet even is. Strategy material and bet descriptions for roulette are written against a specific wheel type, and a tier description assumes the single-zero layout. Before you rely on any published pattern, check which wheel the table uses. The wheel is printed on the layout or visible on the table itself, and the zero count is the first thing to confirm.
FAQ
Is the tier bet the same as a dozen bet?
No. Both cover 12 numbers, but a dozen is a single bet on 12 consecutive numbers on the layout, while the tier is six split bets on 12 consecutive numbers on the wheel. The payout structure and the placement are different.
Can I place a tier bet on an American roulette table?
The tier pattern is built for a single-zero wheel. An American wheel has 38 pockets and a different physical order, so the fixed call-bet patterns do not transfer. Check the wheel type before assuming any call bet is available.
Why does the dealer place the tier bet instead of me?
Call bets follow fixed patterns that are not printed on the layout. The dealer places them so the chips land on the correct split lines. On tables that do not offer call bets, the pattern cannot be placed as a call bet at all.
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