The rules of online casino roulette

The rules of online casino roulette are simple, straightforward and easy to learn. The roulette table features a large wheel which is spun in one direction while, within it, a ball is spun in the opposite direction. You must bet on the number or colour that the ball may land on when the wheel comes to a halt. You can place bets on the colours red or black, as well as either single numbers or groups of numbers.

Starting a round of roulette

To start the first round of a game of online roulette, you must decide how much you want to bet and in which section you’d like to place your bet. For example, you could bet on the ball landing on an odd or even number, landing on black or white, on a figure between 1 and 12, or within a specific column of figures on the online casino’s roulette table.

To enhance your odds when playing roulette, you can also bet that the ball will land in a black or red pocket, or that it will land between the two or in the green 0 pocket. If you’ve placed your bet, you simply need to click the Spin button to spin the online casino’s roulette wheel. As soon as the ball lands, you will know whether you have won or lost.

To allow players more chances of winning, the rules of roulette state that you can bet on more than just a single number. Possible bets include the following:

  • A single number up to 36
  • A line which bets on two numbers
  • A row
  • A corner
  • Two rows
  • Groups 1-18 or 19-36
  • Red or black
  • Odd or even
  • 1st 12, 2nd 12 or 3rd 12.

Dozens bet

To place a dozens bet, you must secure your chip on twelve consecutive. If the roulette wheel spins a 0 or 00, you lose. This bet pays two-to-one.

Red or black bets

Placing your chip on the red or black circles on the online roulette table means you are betting on the outcome of the spin being either a red number or a black number.

Column bets

Below one row of numbers on the roulette table, you’ll find three boxes which read "2 to 1." Each one represents the column of numbers above it. Placing a chip in one of these boxes means that if a number from within the corresponding column comes up, you win. This bet pays two-to-one.

High or low bets

At either end of the online roulette table, you’ll find a box with "1 to 18" written inside, and another with "19 to 36". By placing a chip in the 1 to 18 box, you are betting on whether a number between 1 and 18 will come out after the next spin. Similarly, by placing a chip in 19 to 36, you are betting on whether a number between 19 and 36 will come out.

Odd or even bets

By placing a chip on the odd or even boxes on the roulette table, you are betting that the next spin will land on an odd number or an even number – 0 doesn’t count as either.

Casino.com is amongst the most popular online casino sites. If you’d like to start playing roulette at Casino.com, download our software and sign up to play with your own account. To learn how to play with our online roulette software, make sure you read the how to play roulette page – it’s your step-by-step guide to starting a round of one of the world’s most popular casino games.

For more information on the origins of casino roulette, visit our history of roulette page, and to learn more about the terms and phrases used in the game, see below. If you have any questions about playing roulette, please don’t hesitate to contact a member of our friendly Customer Support team. Have fun playing roulette at Casino.com – the ‘only place to play.’

Online casino roulette terms

  • Chips: the multicoloured coins used during a game of online roulette.
  • Column bet: a bet positioned in the vertical column of online roulette.
  • Croupier: the name used to refer to the dealer in casino roulette.
  • French wheel: another name for the roulette wheel.
  • Game layout: the area of the roulette table which features the numbered slots.
  • Inside bet: a bet placed in the central numbered portion of the roulette game layout.
  • Outside bet: a bet placed using the spaces outside the numbered part of the game layout, e.g. column, dozen, high, low, odd, even, red and black bets.
  • Slots: used to divide the numbers on the roulette wheel.
  • Street: refers to a horizontal row of three numbered spaces in a roulette game.
  • Corner bet: allows you to bet on four numbers which are linked together.
  • Dozens: lets you place a bet on the first twelve figures, the second dozen (2nd 12) and third dozen (3rd 12).
  • High or low: a bet predicting that the number to come out after a spin will be between 1 and 18 or 19 and 36.
  • Odd or even: a bet on whether the next number to come out will be odd or even.
  • Red or black: a bet on whether the next number will be red or black.
  • Black: betting on black numbers only. This bet pays one-to-one.
  • Single number: this straight bet pays thirty-five-to-one.
  • Zero: Aabet on 0. This pays thirty-five-to-one.
  • Street bet: a bet on any three numbers in a row. This bet pays eleven-to-one.
  • Parlay: to keep winnings from your previous bet on top of your current bet.
  • Red: betting on all the red numbers. Pays one-to-one.
  • Green numbers: this refers to 0 and 00 on the online roulette table.
  • Neighbours: the numbers positioned to the left and right of the winning number.
  • Trio: a combination bet on three numbers at the same time.