Roullete is a casino game in which a little ball rolls around a wheel and people bet on what number it will land on. The word is also used to describe a variety of other games involving spinning a ball and betting, including the game of polo and the slingshot. Unlike other casino games, where players can place multiple bets, roulette is a game in which only one bet is allowed per spin. The rules are simple: Place your chips on a betting mat in the desired pattern and wait for the wheel to spin. The croupier will then remove the losing bets and pay out winning ones.

The roulette wheel consists of a solid, slightly convex disk with grooved metal partitions called frets or separators. These compartments are painted alternately red and black and numbered nonconsecutively from 1 to 36. On European-style wheels, a 37th compartment painted green carries the numeral 0, while American wheels have two green pockets. A croupier spins the wheel, and a small ball drops into one of the compartments. The odds for each bet are based on the number and its color, whether it is odd or even, and whether it is high or low.

Roulette can be played in casinos, but it is also available in some online casinos and in live dealer versions of the game, where you place your bets through a keyboard or smartphone while the table is handled by an actual person in real time. Online roulette games are normally offered in the European version, while some offer the French variant with its la partage rule. This lowers the house edge on even-money bets to 1.35%.

Once you’ve decided on your bet, click the “Spin” button. The croupier will then spin the wheel, and the winning number will appear in a few seconds. The winning bets are then paid out according to the payout table. The croupier will then clear the table and prepare for another round of betting.

In the United States, most casinos offer both European and American roulette. The former has a lower house edge and is the best choice for beginners. The latter is harder to master, as the house edge is higher, and you’ll find it more difficult to win big.

The most important thing is to choose the correct strategy for your budget. You’ll need to determine how much you can afford to bet, then decide what kind of bets to make and how many of each type. Then, choose a table within your budget and start betting! It’s also a good idea to set up a bankroll before you hit the roulette tables. This way you’ll know how much you can spend on each bet and will be less likely to lose all your money. It is best to start with small bets and work your way up to the larger ones. Then, if you’re lucky enough, you can try to hit that huge jackpot!