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Call or fold

Pot Odds Calculator: should you call or fold?

Facing a bet and unsure whether to call? Enter the pot and the bet to see the minimum win chance a call needs to pay off. Then add your outs for an instant call-or-fold verdict.

The situation

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Your outs (optional — for a call/fold verdict)

Example outs: flush draw = 9, open-ended straight = 8, gutshot = 4.

Enter a pot and a bet above to see your odds.
What are pot odds?

Pot odds compare what you can win to what it costs to keep playing. If the pot is $100 and your opponent bets $50, you risk $50 to win $150: that's 3-to-1. You only need to win more than 1 in 4 times (25%) for a call to be profitable long-term.

Outs are the cards that would give you a winning hand. The rule of 2 and 4 turns them into a rough win chance: on the flop multiply outs by 4; on the turn multiply by 2. If that beats your pot odds, calling is the profitable play.

Turning pot odds into better decisions

Every profitable poker call comes down to one comparison: is your chance of winning bigger than the price the pot is offering? This pot odds calculator does both halves for you: it converts the pot and bet into a break-even percentage, and converts your outs into an estimated equity, so the call-or-fold decision becomes a number, not a hunch. Over a session those small edges are where winning players make their money.

When to lean on implied odds

The rule of 2 and 4 is a fast approximation, and pot odds only account for the money already in front of you. When you expect to win more on later streets if you hit, your true price is better than the raw pot odds. That's implied odds. Treat a “marginal” verdict as a nudge to think about how much more you can win, not an automatic fold.

A quick worked example

Say the pot is $80 and your opponent bets $20, making it $100 total and $20 for you to call. You need to win just over 16% of the time to break even. If you're holding a flush draw with nine outs, the rule of 4 puts you near 36% to improve by the river, comfortably above the price the pot is offering, so it's a clear, profitable call. Flip the numbers around and the same tool will just as quickly show you the folds that save money.

Pot odds versus implied odds

Pot odds tell you whether a call is profitable right now, based only on the money already in the pot. Implied odds go one step further and account for the extra chips you expect to win on later streets if you hit your draw. That difference matters. A call that looks slightly unprofitable on raw pot odds can be clearly correct once implied odds are included, because a well-hidden flush or straight often gets paid off by a strong second-best hand.

The reverse is also true. Against a short stack, or when your draw is obvious and your opponent can get away cheaply, implied odds shrink and you should lean on the raw pot-odds number instead. A simple habit keeps you honest: use this calculator for the maths of the decision in front of you, then ask whether realistic future betting makes the call better or worse before you commit. Combine that with a feel for your equity and you will fold the losing draws while chasing the ones that pay.

More free poker tools

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Pot odds FAQ

What are pot odds?

Pot odds compare what you can win to what it costs to keep playing. If the pot is $100 and the bet is $50, you risk $50 to win $150: that's 3-to-1, so you only need to win more than 25% of the time for a call to profit long-term.

How do I use the pot odds calculator?

Enter the pot size and the bet you must call. The pot odds calculator shows the break-even win percentage and the pot-odds ratio. Add your number of outs and the street to get an instant call, fold or marginal verdict.

What is the rule of 2 and 4?

It's a fast way to turn outs into a rough win chance. On the flop (two cards to come) multiply your outs by 4; on the turn (one card to come) multiply by 2. A nine-out flush draw is therefore about 36% on the flop.

How many outs does a draw have?

Common counts: a flush draw has 9 outs, an open-ended straight draw has 8, and a gutshot (inside straight draw) has 4. Enter the count and the calculator estimates your equity.