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Poker Equity Calculator

Work out poker equity instantly with clear inputs, formula shown and shareable results.

About Poker Equity Calculator

Equity counts a tie as half a win, so it is (wins + ties / 2) over trials, and the margin of error is the usual 1.96 standard errors of a proportion. A thousand trial simulation carries a margin of error near three percentage points, so small equity differences need far more hands before they are meaningful.

Formulas

Equity

equity = (wins + ties / 2) / trials

Margin of error

margin = 1.96 x sqrt(equity x (1 - equity) / trials)

Worked example

With the default values below, Poker Equity Calculator returns Equity of 35.000%. Change any input above and every figure here is recalculated in your browser.

Inputs used

Simulated hands wonminimum 0
340
Simulated hands tiedminimum 0
20
Total hands simulatedminimum 1
1,000

Results

Equity
35.000%
Outright win rate
34.000%
Tie rate
2.000%
95% margin of error
2.956%

Step by step

  1. 1Values used
  2. 2Equity
  3. 3Margin of error
  4. 4Equity= 35.000
  5. 5Outright win rate= 34.000
  6. 6Tie rate= 2.000
  7. 795% margin of error= 2.956

Assumptions and limits

  • The result is derived only from the 3 inputs listed above. Anything not among them is not part of the calculation.
  • In particular, this calculator does not take inflation, tax, fees or charges or compounding frequency into account.
  • Figures are rounded for display to 3 decimal places, so totals built from several rounded parts can differ slightly from the unrounded arithmetic.

How these calculators are built and tested is described on the Methodology page. If a figure looks wrong, please report it.

Frequently Asked Questions

How is the Poker Equity figure worked out?

equity = (wins + ties / 2) / trials. Equity counts a tie as half a win, so it is (wins + ties / 2) over trials, and the margin of error is the usual 1.96 standard errors of a proportion.

Why does this matter?

A thousand trial simulation carries a margin of error near three percentage points, so small equity differences need far more hands before they are meaningful.

What do I need to enter?

Enter simulated hands won, simulated hands tied, total hands simulated. The defaults shown are a realistic worked example — swap in your own figures to get a result you can use.

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