How to Calculate Poker
What is Poker?
A poker calculator evaluates the strength of a 5-card hand according to poker hand rankings, or calculates the probability of winning against other possible hands. Hand strength is deterministic — a royal flush always beats a full house.
Step-by-Step Guide
- 1Rank hands from highest to lowest: Royal Flush → Straight Flush → Four of a Kind → Full House → Flush → Straight → Three of a Kind → Two Pair → Pair → High Card
- 2Texas Hold'em: best 5-card hand from 7 cards (2 hole + 5 community)
- 3Probability of being dealt each hand in 5-card poker
Worked Examples
Input
Hole cards: A♠ K♠ · Board: Q♠ J♠ 2♥
Result
Royal flush draw · Win probability ≈ 75%
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