Skip to content
ENExplore Calculators

Implied Probability From Odds Calculator

Work out implied probability from odds instantly with clear inputs, formula shown and shareable results.

About Implied Probability From Odds Calculator

Implied probability is one divided by the decimal odds, and it is also exactly the long-run win rate at which the bet breaks even. Odds of 3.50 need you to be right more than 28.6% of the time, which is the only benchmark that matters when judging whether a price is generous.

Formulas

Implied probability

implied % = 1 / decimal odds x 100

Return

payout = stake x decimal odds; profit = stake x (decimal odds - 1)

Worked example

With the default values below, Implied Probability From Odds Calculator returns Implied probability of 28.571%. Change any input above and every figure here is recalculated in your browser.

Inputs used

Decimal oddsminimum 1
3.5
Stakeminimum 0.01
10

Results

Implied probability
28.571%
Total returned if it wins
$35.00
Profit if it wins
$25.00
Win rate needed to break even
28.571%

Step by step

  1. 1Values used
  2. 2Implied probability
  3. 3Return
  4. 4Implied probability= 28.571
  5. 5Total returned if it wins= 35.00
  6. 6Profit if it wins= 25.00
  7. 7Win rate needed to break even= 28.571

Assumptions and limits

  • The result is derived only from the 2 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 Implied Probability From Odds figure worked out?

implied % = 1 / decimal odds x 100. Implied probability is one divided by the decimal odds, and it is also exactly the long-run win rate at which the bet breaks even.

Why does this matter?

Odds of 3.50 need you to be right more than 28.6% of the time, which is the only benchmark that matters when judging whether a price is generous.

What do I need to enter?

Enter decimal odds, stake. The defaults shown are a realistic worked example — swap in your own figures to get a result you can use.

Related Calculators

Implied Probability From Odds Calculator | Calcrivo