# Playing online roulette game and have great winning chances Roulette odds calculator will definitely help you when playing a roulette game, before knowing the strategy to play you have to first have basic knowledge of playing the game. This basic knowledge can help you in selecting the right strategy while playing the game. There are many components which can affect the player’s chance of winning in a game of roulette. For instance in American roulette and in the European Roulette it has a difference of one slot which can obviously give an upper house edge and it means lower odds for winning on the component of the gambler. You have to know the probability of winning and you must know how the Roulette probability calculator works. Each bet has a specific mathematical winning probability and you need to know about this tool before using it.  You should also know about the gamblers illusion, like red or a black, these statistics do not have a particular value and these cannot be used in predicting the numbers in a specific color.

How to calculate?

The roulette wheel has 37 equally sized spaces, this literally means that the probability is equally distributed. Since there are 37 spaces the probability of a ball landing on one of them is 1/37. There are 18 red spaces and their probability would be 18/37. The black or the green equals to 20 so the probability will be 20/37. The expected value is used to interpret the results, the value is like the average measurement.  If you win multiple times also you will averagely lose 5 cents in the long run. You should know the true odds and the probability of the roulette outcome. If you have enough bankroll then you can increase the chance of winning. The calculation is very simple and there are no changes except for the amount that we are going to bet.