Poker Fold Equity Calculator

Fold Equity Formula:

\[ FE = \frac{P_f \times E}{P_f \times E + P_c \times L} \]

Probability of Opponent Folding (P_f):

(0 to 1)

Equity if Opponent Folds (E):

Probability of Opponent Calling (P_c):

(0 to 1)

Loss if Opponent Calls (L):

Fold Equity (FE):

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1. What is Fold Equity in Poker?

Definition: Fold equity is the additional equity a player gains from the probability that their opponent will fold to a bet or raise.

Purpose: It helps poker players make mathematically sound decisions about when to bluff or semi-bluff by quantifying the value gained from potential opponent folds.

2. How Does the Calculator Work?

The calculator uses the formula:

\[ FE = \frac{P_f \times E}{P_f \times E + P_c \times L} \]

Where:

$ FE $ — Fold equity (dimensionless ratio)
$ P_f $ — Probability of opponent folding (0 to 1)
$ E $ — Equity gained if opponent folds ($)
$ P_c $ — Probability of opponent calling (0 to 1)
$ L $ — Loss if opponent calls ($)

Explanation: The formula calculates the ratio of potential gain from folds versus potential losses from calls, weighted by their respective probabilities.

3. Importance of Fold Equity Calculation

Details: Understanding fold equity helps players determine whether a bluff has positive expected value, optimize bet sizing, and make better decisions in marginal situations.

4. Using the Calculator

Tips: Enter the probability of your opponent folding (0-1), the equity you gain if they fold ($), the probability they call (0-1), and your potential loss if they call ($).

5. Frequently Asked Questions (FAQ)

Q1: How do I estimate my opponent's fold probability?
A: Study your opponent's tendencies - tight players fold more often. Track their fold-to-bet percentages if possible.

Q2: What's considered good fold equity?
A: Generally, FE > 0.5 indicates a profitable bluff, but this depends on pot odds and other factors.

Q3: How does position affect fold equity?
A: Being in later position typically increases fold equity as you have more information about opponents' actions.

Q4: Should I always bluff when fold equity is high?
A: Not necessarily - consider your table image, stack sizes, and tournament implications.

Q5: How does bet size affect fold equity?
A: Larger bets generally increase fold equity but decrease potential profitability if called - finding the right balance is key.