#027 · Football Betting Tool

Clean Sheet Probability Calculator

Estimate the chance a football team concedes zero goals from an expected-goals-against input using a Poisson model.

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How to use this betting tool

  1. Enter the requested values using the units shown.
  2. Check that every quoted price and probability belongs to the same scenario.
  3. Select Calculate and review both the headline result and its stated assumption.

What this tool calculates

Estimate the chance a football team concedes zero goals from an expected-goals-against input using a Poisson model.

Under a Poisson model with mean λ equal to expected goals against, P(0 conceded) = e^(−λ).

Results are informational. Actual settlement can vary by operator rules and jurisdiction.

Worked example

At 1.20 expected goals against, the Poisson clean-sheet probability is 30.12%, equivalent to fair decimal odds of about 3.32.

ExampleAt 1.20 expected goals against, the Poisson clean-sheet probability is 30.12%, equivalent to fair decimal odds of about 3.32.

Tips and limitations

  • Use prices from the same market and point in time.
  • Do not round inputs before calculating.
  • Confirm void, push, commission and deduction rules with the operator.

FAQ

Which odds format does the Clean Sheet Probability Calculator use?

All odds inputs on this page use decimal odds unless the field explicitly asks for a probability or fractional numerator and denominator.

Are displayed values rounded during the calculation?

No. The calculator keeps full JavaScript numeric precision internally and rounds only the values shown on screen.

Can bookmaker settlement rules change the result?

Yes. Voids, pushes, deductions, dead heats, commissions and market-specific rules can change an actual settlement.

Does this calculator use live bookmaker or match data?

No. It calculates only from the values entered in this browser and does not connect to a bookmaker or sports feed.

Should this result be treated as a betting recommendation?

No. It is a transparent arithmetic or model estimate for comparison, not a prediction or recommendation.

Calculation reference

FormulaUnder a Poisson model with mean λ equal to expected goals against, P(0 conceded) = e^(−λ).
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