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Pot odds & equity

What a call costs as a share of the final pot, and why you call when your chance to win is higher.

8 steps, as text. step through the interactive version →

  1. 01, open this step in the interactive version

    There’s $100 in the pot. Your opponent bets $50.

  2. 02, open this step in the interactive version

    To stay in, you call $50. If you win, you collect all $200: the pot, their bet, and your own $50 back.

  3. 03, open this step in the interactive version

    Your $50 is a quarter of that $200. You’re paying 25% of the final pot.

  4. 04, open this step in the interactive version

    So you need to win at least 25% of the time just to break even. That number is your .

  5. 05, open this step in the interactive version

    Do you win that often? You hold A♥ J♥, and two more hearts are on the board. One more heart makes a .

  6. 06, open this step in the interactive version

    46 cards are unseen. 9 of them are hearts. You hit 9 times in 46, about 19.6%. That’s your .

  7. 07, open this step in the interactive version

    You need 25%. You have 19.6%. Calling loses about $10.87 each time on average, so you fold.

  8. 08, open this step in the interactive version

    Now change the bet. Smaller bets lower what you need. Where does calling become right?