5-Card Poker Hand Calculator
Enter five unique cards using formats like AS, 10h, Td, or Q♣. Rank first, suit second.
What This Poker Hand Calculator Does
This tool evaluates a standard 5-card poker hand and returns the best ranking instantly. It checks for all classic hand types: high card, pair, two pair, three of a kind, straight, flush, full house, four of a kind, straight flush, and royal flush. It also validates card input so you cannot accidentally enter duplicate cards or invalid card codes.
If you are studying poker fundamentals, practicing for home games, or building intuition for Texas Hold'em board reading, this kind of hand evaluator is a fast way to train your eye.
How to Enter Cards Correctly
Supported Rank and Suit Formats
- Ranks: 2-10, J, Q, K, A (you can also use T for 10)
- Suits: S, H, D, C or symbols ♠ ♥ ♦ ♣
- Examples: AS, 10H, Td, Q♣, 7s
Input Rules
- Exactly 5 cards are required.
- Every card must be unique.
- Order does not matter.
- Uppercase and lowercase both work.
Poker Hand Rankings (Strongest to Weakest)
- Royal Flush - A, K, Q, J, 10 of the same suit
- Straight Flush - Five consecutive cards of the same suit
- Four of a Kind - Four cards of the same rank
- Full House - Three of a kind plus a pair
- Flush - Five cards of the same suit
- Straight - Five consecutive ranks (A-2-3-4-5 counts)
- Three of a Kind - Three cards of the same rank
- Two Pair - Two different pairs
- One Pair - One pair
- High Card - None of the above
How the Calculator Works Behind the Scenes
1) Parse and Normalize
Each card is converted into a numeric rank and normalized suit. For example, both tH and 10♥
become the same internal value.
2) Validate
The script checks formatting and catches duplicates like entering AS twice.
3) Evaluate Hand Strength
The hand is evaluated with pattern matching:
- Frequency count of ranks (for pairs, trips, quads)
- Suit match check (for flushes)
- Consecutive rank check (for straights, including wheel straight A-2-3-4-5)
Why This Is Useful for Real Poker
Hand-reading speed matters. Even if you play mostly online, quickly recognizing board texture and relative hand strength helps with bet sizing, bluff-catching, and value betting. A calculator like this is not a solver, but it is excellent for practicing core hand ranking logic.
Quick FAQ
Does this calculate Texas Hold'em equity?
No. This page evaluates one completed 5-card hand only. Equity calculators require opponent ranges and board runout simulation.
Does it handle Ace-low straights?
Yes. A-2-3-4-5 is correctly scored as a 5-high straight.
Can I use this to verify homework or coding projects?
Absolutely. This is a practical reference implementation for card parsing, validation, and rank classification.