Even more sensible reason for the use of poker odds calculator is to know the poker hand odds and make profitable decisions. It’s always good idea to check the poker hand odds using odds calculator before you call somebody a „sucker“. Ever happened to you that you were called „donkey“ or „luckbox“ even in case you called aggressive player all-in and won the pot with pocket fives against his AK (it is called Anna Kournikova for a reason).