Poker Odds Calculator
Calculate your winning odds in Texas Hold'em. Select your cards and see real-time equity percentages.
How to Use the Poker Odds Calculator
- Select your hand — Click on the card placeholders and pick your hole cards.
- Add opponents — Set opponent hands or add more players (up to 6).
- Set the board — Optionally add flop, turn, and river cards.
- Read results — Win percentages update in real-time.
What Is a Poker Odds Calculator?
A poker odds calculator is a digital tool that computes the winning probability for each player in a Texas Hold'em hand. You input each player's hole cards and optionally add community cards (flop, turn, river), and the calculator determines how often each hand wins, loses, or ties across all possible board runouts.
Our calculator uses two computation methods depending on the scenario. For heads-up matchups with manageable combination counts, it performs exact enumeration — testing every possible board to produce precise equity figures. For multi-way pots or complex scenarios, it uses Monte Carlo simulation with 50,000 random iterations, delivering results accurate to within half a percentage point.
Understanding Poker Equity
Equity represents your share of the pot based on your probability of winning. If you have 60% equity, you expect to win the pot 60% of the time on average.
Equity is not a guarantee — it is a long-run average. If you have 60% equity, you will win roughly 60 out of 100 times in that exact situation. In any single hand, anything can happen. But over thousands of decisions, players who consistently get their money in with the best equity will be profitable. This is the fundamental principle that separates winning poker players from losing ones.
Pre-flop vs Post-flop Odds: How Equity Shifts
Equity changes dramatically as community cards are revealed. Preflop equities represent the average across all possible five-card boards. Once the flop comes, two-thirds of the community cards are known and equity becomes much more defined.
Consider AA vs KK: preflop, AA has 81.9% equity. If the flop comes 7-3-2 rainbow, AA jumps to over 97% — KK needs running cards to win. But if the flop comes K-8-4, KK now has 95.6% equity with top set. The flop is where the biggest equity swings occur, which is why post-flop play is the most skill-intensive part of poker.
How to Use Equity to Make Better Decisions
The connection between equity and profitability runs through pot odds. When facing a bet, you need to compare your hand's equity against the pot odds you are being offered. If your equity is higher than the required percentage, calling is profitable over the long run.
Common Preflop Matchup Equities
| Matchup | Equity | Type |
|---|---|---|
| AA vs KK | 81.9% vs 18.1% | Overpair vs underpair |
| AKs vs QQ | 46.3% vs 53.7% | Overcards vs pair |
| AA vs AKs | 92.6% vs 7.4% | Pair vs dominated |
| KK vs AKo | 69.2% vs 30.8% | Pair vs one overcard |
| JJ vs 77 | 81.3% vs 18.7% | Overpair vs underpair |
| AKs vs JTs | 60.5% vs 39.5% | High cards vs suited connector |
Explore each matchup in detail on our hand matchups page, where every popular preflop battle includes strategy analysis, FAQ, and links back to this calculator.
Frequently Asked Questions
What is a poker odds calculator?
A poker odds calculator is a tool that computes the probability of each player winning a hand based on their hole cards and any community cards on the board. It runs thousands of simulations or enumerates all possible outcomes to give you an accurate equity percentage.
How accurate is this poker odds calculator?
Our calculator uses both exact enumeration (for 2-player scenarios with fewer than 200,000 combinations) and Monte Carlo simulation with 50,000 iterations for more complex scenarios. The results are accurate to within 0.5% of the true equity in virtually all cases.
What is equity in poker?
Equity is your share of the pot based on the probability of winning the hand. If you have 60% equity in a $100 pot, your expected value is $60. Equity is the foundation for all profitable poker decisions — you want to put money in when you have more equity than the pot odds require.
Can I use this calculator during a live game?
Most casinos and poker rooms prohibit using calculators during active hands. However, this tool is ideal for studying away from the table — reviewing hands you played, learning common matchup equities, and building intuition for pot odds decisions.
What is the difference between equity and pot odds?
Equity is how often you win the hand. Pot odds are the ratio of the pot to the bet you must call. When your equity exceeds the required equity from pot odds, calling is profitable. For example, if pot odds require 25% equity and you have 35%, calling is a +EV play.
How do community cards affect equity?
Community cards dramatically shift equity. Preflop, AA has 81.9% equity against KK. But if the flop comes K-7-2, KK now has over 95% equity with a set. Adding board cards narrows the range of possible outcomes and can completely reverse who is favored.
What does it mean when a hand is dominated?
A hand is dominated when it shares a card with the opponent but has a weaker kicker. For example, AQ is dominated by AK — when both pair the Ace, AK wins. Dominated hands typically have 25-30% equity or less against their dominator.
How many players can this calculator handle?
Our calculator supports 2 to 6 players simultaneously. You can input each player's hole cards and specify 0 to 5 community cards. The calculator will compute equity for all players in the hand.
What is the Rule of 2 and 4?
The Rule of 2 and 4 is a quick way to estimate your equity when drawing. On the flop, multiply your outs by 4 to get an approximate winning percentage. On the turn, multiply by 2. For example, a flush draw has 9 outs: 9×4 = 36% on the flop, 9×2 = 18% on the turn.
Is poker more luck or skill?
In the short term, luck plays a significant role — bad beats happen regularly. But over thousands of hands, skill dominates. Players who consistently make +EV decisions using equity, pot odds, and position will be profitable over time. This calculator helps you study and develop that edge.