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Poker Odds Calculator

Determine your chances of winning any Texas Hold'em hand with precise probability calculations. Enter your hole cards, the board state, and your opponents' known cards to see your equity across all possible outcomes. Whether you're at the flop, turn, or river, this tool runs Monte Carlo simulations to reveal how often your hand wins, loses, or ties against the opposition.

Last updated:

Creators Mateusz Mucha, BEng
6,522 people find this calculator helpful

How to Use the Poker Hand Calculator

Begin by entering your two hole cards in the first section. Next, specify how many opponents remain in the hand—you can model situations from heads-up play to full nine-handed tables. If you know any of your opponents' cards, select Yes under "Known opponent cards" and input them accordingly.

Add the community cards that are currently visible:

  • At the flop: enter three cards, leave the turn and river blank
  • At the turn: enter four cards, leave the river blank
  • At the river: enter all five community cards

Mark Run calculations to trigger the analysis. The tool will instantly display your win probability, loss probability, and tie probability against the field. The results update automatically as you modify any input.

Understanding Poker Equity

Equity represents your mathematical share of the pot based on your likelihood of winning at showdown. It's calculated by running through all remaining possible card combinations and counting how often your hand prevails. With five community cards dealt, the remaining deck contains 47 unknown cards; the calculator simulates each plausible scenario.

For example, holding A♠K♥ on a 2♦-7♣-J♠ flop with one opponent creates a finite set of outcomes. Your equity is the percentage of those outcomes where you finish with the best hand.

Equity (%) = (Winning outcomes ÷ Total possible outcomes) × 100

  • Winning outcomes — Number of card combinations where your hand ranks highest at showdown
  • Total possible outcomes — All remaining card combinations from the undealt deck

Poker Hand Rankings

To interpret the calculator's results, you need to know which hands rank highest:

  • Royal Flush: A-K-Q-J-10 of the same suit—unbeatable
  • Straight Flush: Five consecutive cards in one suit
  • Four of a Kind: Four cards of identical rank plus one kicker
  • Full House: Three cards of one rank plus two cards of another
  • Flush: Five cards of the same suit (not consecutive)
  • Straight: Five consecutive cards of mixed suits
  • Three of a Kind: Three cards of identical rank
  • Two Pair: Two different pairs plus a kicker
  • One Pair: Two cards of the same rank
  • High Card: No combinations—strongest single card wins

When hands tie in type, the highest individual card rank breaks the tie. Aces rank highest except in A-2-3-4-5 (called the wheel), where the ace acts as a one.

Equity vs. Expected Value (EV)

Many players confuse equity with expected value, but they measure different things. Equity is purely the probability that your hand wins given the current card situation—it never changes unless the board changes. A hand with 60% equity against an opponent will win 60 out of 100 showdowns in that exact scenario.

Expected value depends on pot odds, bet sizing, and money involved. You might have 40% equity but positive EV if the pot offers 2-to-1 odds on your call. Long-term profitability comes from making mathematically positive EV decisions, not simply chasing high equity.

Common Mistakes When Reading Poker Odds

Avoid these pitfalls when interpreting hand probabilities and making decisions at the table.

  1. Ignoring position and future streets — Equity calculations assume all remaining cards come out. In reality, you might face additional bets on the turn and river. A hand with 48% equity might fold to aggressive betting before showdown, turning a mathematically sound situation into a losing play.
  2. Forgetting that opponents can fold — The calculator assumes everyone reaches showdown. In actual play, your opponents may fold, dramatically improving your true winning chances. Aggressive play that forces folds is worth far more than the raw equity suggests.
  3. Overweighting early-stage equity swings — Equity swings wildly pre-flop to the flop. A hand like K♣Q♦ starts with reasonable equity but can drop sharply if the board misses you completely. Small sample sizes of hands lead to variance; trust the math over short-run results.
  4. Misreading opponent hole card assumptions — The tool outputs depend entirely on which cards you assume opponents hold. If you guess wrong about their holdings, your equity calculations mislead you. Only input cards you're genuinely confident about.

Frequently Asked Questions

What does it mean to have 60% equity in a poker hand?

Sixty percent equity means your hand wins against the current opposition roughly six out of every ten times the remaining cards are dealt out. It's a measure of how often you finish with the strongest hand at showdown, expressed as a percentage. This assumes no further betting, no folds, and that all players see the remaining community cards. Higher equity is better, though even 30% equity can be profitable if the pot odds justify the call.

How does the calculator change between the flop, turn, and river?

The flop shows three community cards from a 52-card deck, leaving 47 unknown cards. The turn adds a fourth community card, reducing unknowns to 46. By the river, all five community cards are visible, and only two cards remain unknown. Your equity becomes more precise as fewer cards remain, because there are fewer possible outcomes. At the flop, equity is most uncertain; by the river, equity is final—either you've won or lost.

Why do pocket aces lose sometimes against lower-ranked starting hands?

Pocket aces (A♠A♥) win roughly 85% of heads-up matchups but lose about 15% due to the incredible range of 1,326 possible two-card combinations your opponent can hold. A hand like 7♦6♥ can flop two pair, trips, or a straight while aces whiff completely. Variance means the best starting hand doesn't guarantee victory in any single hand—only higher long-term win rates.

Can I use this calculator in a live poker game?

Absolutely, though memorising key ranges helps more than constantly calculating. The tool is ideal for studying hand strength away from the table, reviewing past decisions, or understanding spot equity during a break. At the table, experienced players rely on pattern recognition and hand reading. Using this calculator in live games requires discretion and adherence to house rules about external aids.

What's the worst starting hand in Texas Hold'em and why?

Seven-deuce off-suit (7♦2♣) ranks as the weakest starting hand. It cannot form a straight because the gap between seven and deuce is too wide. Off-suit means both cards have different suits, eliminating immediate flush potential. Even if you catch two pair on the board, you'd need perfect cards, and you'd still lose roughly half the time against a typical opponent. Statistically, folding pre-flop is the mathematically sound play.

How accurate is this calculator compared to professional poker software?

This calculator uses Monte Carlo simulation methods identical to professional tools like PokerStove and Equilab. It samples millions of possible remaining card combinations and determines hand outcomes for each. The results converge on true equity values as more simulations run. Minor differences between tools arise from rounding and simulation sample sizes, but the answers align closely. For serious study or decision-making, it matches industry-standard software in accuracy.

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