POT ODDS CALCULATOR
Calculate pot odds, required equity, and whether your call is profitable.
Pot Odds
+ Implied odds (optional)
Additional chips won on later streets
Equity from Outs
Should You Call?
Comparing your draw equity to the pot odds you're getting
Flop (2 cards to come)
Turn (1 card to come)
What Are Pot Odds in Poker?
When someone shoves into you on the river and you're sitting there staring at a marginal hand, "should I call?" is really a math question. Pot odds give you the answer. They compare what's already in the pot to what it costs you to stay in the hand, and they tell you the minimum percentage of the time you need to win for calling to make money long-term. If you play online poker or live cash games and you're not thinking about pot odds, you're leaving money on the table.
Quick example. The pot is $100 and your opponent bets $25. Now there's $125 in the middle and it costs you $25 to call. That's 5:1 pot odds. You only need to win about 17% of the time for the call to break even. If you think you're good more often than that, you call. If not, you fold. Simple as that.
How to Calculate Pot Odds Step by Step
Step 1: Add Up the Total Pot
Take whatever's in the middle and add your call to it. If there's $75 in the pot and you need to call $25, the total pot you're playing for is $75 + $25 = $100. A surprising number of players screw this up by forgetting to count their own call. That makes the odds look worse than they actually are, which leads to bad folds.
Step 2: Figure Out the Ratio
Divide the pot (what's in the middle before your call) by what you have to call. From the example above: $75 / $25 = 3:1. That means for every dollar you put in, three dollars are already waiting. The bigger that ratio, the less equity you need to make calling profitable.
Step 3: Convert to a Percentage
This is the part that actually matters at the table. Divide your call by the total pot: $25 / $100 = 25%. That's your breakeven equity. If you think your hand is good at least 25% of the time against what your opponent is repping, you call. If your read says you're crushed, save your chips.
The Pot Odds Formula
Required Equity = Bet to Call / (Pot + Bet to Call) x 100
As a ratio: Pot Odds = Pot : Bet to Call
Pot Odds Cheat Sheet
You don't want to be doing long division in the middle of a hand. Memorize these numbers and you'll know instantly whether you're getting the right price:
| Bet Size | Pot Odds | Equity Needed |
|---|---|---|
| Quarter pot | 5:1 | 16.7% |
| Third pot | 4:1 | 20% |
| Half pot | 3:1 | 25% |
| Two-thirds pot | 2.5:1 | 28.6% |
| Three-quarter pot | 2.3:1 | 30% |
| Full pot | 2:1 | 33.3% |
| Overbet (1.5x pot) | 1.7:1 | 37.5% |
Outs and Equity: Figuring Out Your Chances
Outs are simply the cards left in the deck that make your hand. You've got four hearts on the flop and need a fifth for a flush? There are 9 hearts left in the deck. That's 9 outs. The more outs you have, the more likely you are to get there by the river.
The Rule of 2 and 4
This is the shortcut every poker player should know. On the flop with two cards still to come, multiply your outs by 4. On the turn with one card left, multiply by 2. Flush draw on the flop? 9 outs times 4 equals roughly 36%. Same draw on the turn? 9 times 2 is about 18%.
It gets a bit less accurate when you have a ton of outs (the Rule of 4 overstates things above about 12 outs), but it's close enough for real-time decisions. The calculator above uses the exact math, so you can check your estimates after the session.
Outs Reference Table
| Draw Type | Outs | Flop Equity | Turn Equity |
|---|---|---|---|
| Pocket pair to set | 2 | 8.4% | 4.3% |
| One overcard | 3 | 12.5% | 6.5% |
| Gutshot straight draw | 4 | 16.5% | 8.7% |
| Two overcards | 6 | 24.1% | 13% |
| Open-ended straight draw | 8 | 31.5% | 17.4% |
| Flush draw | 9 | 35% | 19.6% |
| Flush draw + gutshot | 12 | 45% | 26.1% |
| Flush draw + open-ended | 15 | 54.1% | 32.6% |
Pot Odds vs Implied Odds
Pot odds look at what's in the pot right now. Implied odds factor in the money you expect to extract on later streets when you hit. This is why good players will call with speculative hands even when the immediate price isn't great. They know that if they make their flush, the opponent is going to pay them off.
Say you've got a flush draw on the flop. Your equity is about 35%, and you need 25% to call based on pot odds alone. Easy call. But what if the bet was bigger and you needed 38%? Strictly by pot odds, it's a fold. But if the guy across from you is the type who will stack off with top pair when the third heart lands, those implied odds make calling worthwhile. That's the gap between theoretical poker and real poker.
You can test this yourself. Expand the implied odds section in the calculator above, plug in how much extra you think you'll win if you get there, and watch the required equity drop.
Mistakes That Cost You Money
1. Miscounting the Pot
This one is embarrassingly common. When your opponent bets, that money goes into the pot. If there's $80 in the middle and someone bets $20, the pot is now $100. You're calling $20 to win $100, getting 5:1 — you only need about 17% equity. Players who forget to count the bet think the pot is still $80, calculate 4:1, and figure they need 20%. Those few points matter over thousands of hands.
2. Counting Dirty Outs
Not every out is created equal. Say you're on a flush draw, but one of your outs also puts four to a straight on the board. That card might make your flush and simultaneously give your opponent a straight. These "dirty" outs need to be discounted. I usually knock off 1-2 outs when the board is coordinated, just to be safe.
3. Forgetting About Reverse Implied Odds
Everyone talks about implied odds but nobody mentions the ugly flip side. Reverse implied odds are what happens when you make your hand and still lose. Classic example: you're drawing to a queen-high flush when the other player could have the ace-high flush draw. You hit, you bet big, they raise, and suddenly your "made hand" costs you a whole stack. If your draw isn't to the nuts, be careful about how much you're willing to invest.
4. Using the Rule of 4 When You'll Face Another Bet
The Rule of 4 assumes you'll see both the turn and river for the price of one call. That's only true if your opponent checks the turn or you're already all-in. If there's a good chance they'll fire again on the next street, you're really only paying to see one card. Use the Rule of 2 in those spots instead.
Want More Precise Numbers?
Pot odds from outs give you a solid ballpark, but if you want to run your exact hole cards against a specific range, check out our Poker Odds Calculator. It runs Monte Carlo simulations so you can see exactly where you stand.
Where to Go from Here
Getting pot odds down cold is one of those things that separates break-even players from winning ones. The math itself is dead simple once you've done it a few dozen times. The hard part is staying disciplined enough to actually use it when you're in the middle of a session and your gut is telling you to call because "it feels right."
Start with the cheat sheet above. Memorize the numbers for half-pot, two-thirds pot, and full-pot bets (those three cover about 90% of the spots you'll face). Once that's automatic, layer in outs counting for draws. You'll be surprised how quickly it becomes second nature. For more on how your seat affects these decisions, read about poker table position, or browse our full poker strategy guides.
If you're still working on the basics, our how to play poker page walks through everything from hand rankings to betting structure. And if you keep getting into trouble preflop, our starting hands chart will tighten things up fast.