Use the Beat The Fish poker odds calculator to automatically find out how often hands win under any scenario. Preflop matchups when played to showdown:.Odds of hitting a hand by the river from the flop.Odds of connecting with the Flop in Hold’em.Figuring out correct Hold’em poker odds without much math.Use the 2 and 4 “Hack” when you forget the odds.How do you figure out pot odds in poker?.How is a Texas Hold’em poker odds calculator useful?.