How Many Black Numbers Are There in a Roulette Wheel?

There are a total of 38 numbers on a roulette wheel, which includes the numbers 1 through 36, a 0, and a 00. Of those 38 numbers, 18 are black and 18 are red. There are also various ways that people can bet on the numbers. For example, a person could bet on all black numbers, or just one specific black number.

PRO TIP:Roulette wheels have either 37 or 38 numbers, depending on the variant of the game. The numbers alternate between black and red, with 18 black numbers and 18 red numbers in a European roulette wheel, and 18 black and 19 red in an American wheel. The last number in each variant is green.

The odds of winning a bet on all black numbers is 47.37%, while the odds of winning a bet on one specific black number is 2.63%.