Poker odds are defined as circumstances which help you know about poker games. If you can calculate poker odds very well then you can win the game quite easily. There are many poker odds you need to know. They say actual occurrences of hands in the game. Players who wish to know about poker odds can search online, or refer to e-books. Poker odds are of various types, pot odds, betting odds etc. You should know about each of them clearly before playing any casino game. If you get to know more about odds then you will know about players and their ideas. You can beat them easily, if you know poker hand rankings.