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Parlay Odds Calculator

Work out parlay odds instantly with clear inputs, formula shown and shareable results.

About Parlay Odds Calculator

Parlay odds multiply, so the combined price is the product of the individual decimal odds and the implied chance is one over that product. Because each leg also multiplies the bookmaker's margin, a three leg parlay carries roughly three times the built-in edge against you of a single bet.

Formulas

Combined odds

combined = odds 1 x odds 2 x odds 3

Implied chance

implied % = 1 / combined odds x 100

Worked example

With the default values below, Parlay Odds Calculator returns Combined decimal odds of 6.2370. Change any input above and every figure here is recalculated in your browser.

Inputs used

Leg 1 decimal oddsminimum 1
1.8
Leg 2 decimal oddsminimum 1
2.1
Leg 3 decimal oddsminimum 1
1.65
Stakeminimum 0.01
10

Results

Combined decimal odds
6.2370
Total returned if every leg wins
$62.37
Profit
$52.37
Implied chance of the parlay landing
16.033%

Step by step

  1. 1Values used
  2. 2Combined odds
  3. 3Implied chance
  4. 4Combined decimal odds= 6.2370
  5. 5Total returned if every leg wins= 62.37
  6. 6Profit= 52.37
  7. 7Implied chance of the parlay landing= 16.033

Assumptions and limits

  • The result is derived only from the 4 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 4 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 Parlay Odds figure worked out?

combined = odds 1 x odds 2 x odds 3. Parlay odds multiply, so the combined price is the product of the individual decimal odds and the implied chance is one over that product.

Why does this matter?

Because each leg also multiplies the bookmaker's margin, a three leg parlay carries roughly three times the built-in edge against you of a single bet.

What do I need to enter?

Enter leg 1 decimal odds, leg 2 decimal odds, leg 3 decimal odds, stake. The defaults shown are a realistic worked example — swap in your own figures to get a result you can use.

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