Poker Probability Calculator
Your Cards
Community Cards
Understanding poker probabilities separates recreational players from serious competitors. Our Poker Probability Calculator helps you calculate exact odds for Texas Hold’em, Omaha, and other variants—giving you a mathematical edge at the tables.
Why Calculate Poker Probabilities?
♠️ Make Smarter Decisions – Know when to fold, call, or raise
♣️ Understand Hand Strength – Compare your odds against potential opponent hands
♥️ Improve Tournament Strategy – Adjust play based on exact equity percentages
♦️ Learn Faster – Visualize how outs and board texture change your chances
Key Probability Concepts
| Situation | Probability | Example Calculation |
|---|---|---|
| Pocket pair → Set on flop | 11.8% | 2 outs / 47 cards |
| Flush draw → Hit by river | 35% | 9 outs × 4 rule |
| Overcards → Pair by river | 24.1% | 6 outs × 4 rule |
How the Poker Probability Calculator Works
Step 1: Select Game Type
- Texas Hold’em (2 private cards)
- Omaha (4 private cards)
- Seven-Card Stud
- Five-Card Draw
Step 2: Input Your Cards & Board
- Select your hole cards (e.g., A♥ K♠)
- Add known community cards (flop/turn/river)
Step 3: Get Instant Odds
The calculator computes:
✔ Probability of improving to each hand type
✔ Equity against random opponent hands
✔ Best/worst case scenarios
Common Poker Probability Calculations
1. Preflop Matchups
| Hand vs Hand | Win Probability |
|---|---|
| AA vs KK | 81.1% vs 18.2% (0.7% tie) |
| AK suited vs QQ | 46.7% vs 53.3% |
2. Drawing Odds
| Draw Type | Outs | Flop→Turn | Turn→River | Flop→River |
|---|---|---|---|---|
| Flush draw | 9 | 19.6% | 19.6% | 35% |
| Open-ended straight | 8 | 17% | 17% | 31.5% |
| Gutshot straight | 4 | 8.7% | 8.7% | 16.5% |
3. Postflop Equity
Example: You hold J♦ T♦ on 9♦ 8♠ 2♦
- Equity vs top pair: 55%
- Equity vs overpair: 47%
- Equity vs higher flush draw: 65%
Advanced Probability Strategies
1. The Rule of 4 & 2
- After flop: Multiply outs × 4 = % chance by river
- After turn: Multiply outs × 2 = % chance on river
Example: 9 outs (flush draw) → 9 × 4 = 36% by river
2. Pot Odds Comparison
Call if: (Probability to improve) > (Call Amount / (Pot Size + Call Amount))
Example: 20tocallinto20tocallinto80 pot (20%)
- If you have >20% chance to win, profitable call
3. Implied Odds Adjustment
Factor in future bets you might win if you hit your draw
Try the Poker Probability Calculator
- Select your game type
- Enter your hole cards
- Add known community cards
- See exact percentages for:
- Making pairs, flushes, straights
- Runner-runner possibilities
- Opponent hand ranges
Sample Calculation:
- Your Hand: A♣ K♣
- Flop: Q♣ J♣ 7♦
- Probability of:
- Flush by river: 35%
- Straight by river: 17.5%
- Pair or better: 48.1%
Poker Math Questions?
Ask below! We’ll explain complex probabilities in simple terms.
Note: Probabilities assume random opponent hands. Adjust for player tendencies in real games.
This guide helps you leverage mathematical precision in poker. Whether you’re studying hand ranges or making real-time decisions, knowing the numbers transforms your game. Calculate, practice, and dominate!
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