The Rules of Roulette

Roulette Equipment

A roulette wheel consists of a spinning disk with divisions around its edge that revolves around the base of a bowl. A ball is spun around the outside of the bowl until eventually ball and wheel come to rest with the ball in one of the divisions.

The divisions around the wheel are numbered from 1 to 36 in a seemingly random pattern and alternate red and black. Additionally, there is a green division numbered 0. On American tables only there is a second extra green division marked 00 and it is largely this that makes the American version of Roulette a worse proposition financially than the European game.


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Prior to rolling the ball, people place bets on what number will come up by laying down chips on a betting mat, the precise location of the chips indicating the bet being made. Roulette is a game of French origin and on a traditional table, the French terms on the betting area are still used even in English speaking areas. However, on most US tables, English terms and a slightly different style of mat are used.

North American Style Roulette LayoutFrench / European Style Roulette Layout

Roulette Bets

Much of the interest in Roulette derives from the the number of different bets that can be made and their associated odds. The basic bets are the same for all forms of modern Roulette.

French nameEnglish nameDescriptionOddsChip Location / Information
RougeRedA red numberEvens
NoirBlackA black numberEvens
PairEvenEven numberEvens
ImpairOddOdd NumberEvens
ManqueLow Bet1 – 18EvensManque is French for “failed” and is used because the ball has failed to pass 18.
PasseHigh Bet19 – 36EvensPasse is so named because it has “passed” the centrepoint.
Premiere DouzaineFirst Dozen1 – 122 to 1On the French-style mat, the square marked 12P
Moyenne DouzaineMiddle Dozen13 – 242 to 1On the French-style mat, the square marked 12M
Dernier DouzaineLast Dozen25 – 362 to 1On the French-style mat, the square marked 12D
ColonneColumn BetA column of twelve numbers2 to 1The special square at the end of one of the three columns of twelve numbers.
SixainLine BetSix Numbers5 to 1Place the stake on the intersection of the edge of two rows of three numbers to bet on those 2 rows
CarreCorner BetFour Numbers8 to 1Place the stake at the intersection of a square of four numbers
Carre Simple or TransversaleStreet BetA row of Three Numbers11 to 1Half way over the line forming the end of the row of three numbers to be bet upon
En ChavalSplit BetA pair of numbers17 to 1Place the stake across the line dividing the two numbers to be bet upon
En pleinStraight UpA single number35 to 1Place the stake in the box showing the number concerned. It is allowable to bet on zero.

The bets on six numbers or less are termed “Inside bets”. The bets on 12 numbers or more are called “Outside bets”.

European Roulette Rules

Assuming that the possible bets are all understood, Roulette is essentially a trivially simple game to play. For each turn, once all bets have been placed using coloured chips to distinguish each player, the croupier halts betting, spins the wheel, and rolls the ball in the opposite direction. When the ball comes to a halt in one of the slots, the croupier announces the result, collects all losing bets and pays out the winner’s profits.

There are additional optional rules that some casinos and houses play. Both the La Partage and the En Prison roulette rules effectively halve the casino edge on even-money bets. If playing at home, decide at the start which, if any of the following rules you would like to play.

‘En Prison’ Rule

This is a roulette rule that can be applied to even-money bets only. When a zero turns up, the player has two options:

  • Reclaim half the bet and lose the other half.
  • Leave the bet (en prison = in prison) for the next spin of the roulette wheel for an all or nothing gamble. If the subsequent spin is again zero, or does not match the imprisoned bet, then the whole bet is lost. Otherwise, if the subsequent spin’s outcome matches the bet, the player’s money is returned.

‘La Partage’ Rule

The la partage roulette rule is similar to the en prison rule, only in this case the player has no option when a zero turns up and simply loses half the bet.

Maximum and Minimum stakes

Casinos will normally post a maximum and a minimum stake for a roulette table and this is sometimes done for recreational play, too. Typically, for each spin of the wheel, if a player the total amount of a player’s inside bets must exceed the minimum stake. The listed maximum stake usually shows only the maximum allowed for a single number “straight up” bet. The maximum stakes for other types of bet increases proportionately e.g. The maximum bet allowed for a pair of numbers is double the maximum straight-up bet, the maximum allowed for a corner bet is 4 times the straight up maximum and so on. So that really the limitation is on the amount that the casino can lose!

North American Roulette Rules

In North America and the Caribbean, roulette wheels have a double zero, and all bets (except a direct bet on the selected zero) are lost when either zero turns up. The result is significantly poorer odds for the punter and an increase in the Casino’s cut. This is probably why in this region, Roulette is less popular than it is in other parts of the world.

The rules are the same as for European Roulette above except that the double zero works in the same way as a single zero result.

Some American casinos do allow an additional bet called a “basket bet” which is staked by placing chips in the same way as for a line bet on the outside of the the dividing line between the zero row and the row featuring 1, 2 and 3. This bet normally pays out 6 to 1 which gives it odds worse than any other roulette bet.

The old original Roulette Game.

In the original French roulette, the numbers 1 – 36, had the zero and the “double zero”. The zero was coloured red and also counted as “Pair” and “Manque”; the double zero was black and also counted as “Impair” and “Passe”.

If the ball fell into one of the two zero divisions, all lost stakes are taken by the bank but if the bet was matched by virtue of being Pair, Impair, Rouge, Noir, Passe or Manque, instead of being won, the stake was imprisoned until the next spin of the wheel. On that subsequent turn, the stake was either lost or if the ball matched the bet again, the stake was merely returned to the gambler without any profit.


These rules are provided by Masters Traditional Games, an Internet shop selling quality traditional games, pub games and unusual games. For information on copying and copyright, see our disclaimer.

Our rules are comprehensive instructions for friendly play. If in doubt, always abide by locally-played or house rules.

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