#145 · Parlays & System Bets Tool

Doubles and Trebles Calculator

Calculate three doubles and one treble from three selections using an equal unit stake per combination.

Calculator

Enter values
odds
odds
odds
currency
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How to use this betting tool

  1. Enter the market values shown in the calculator.
  2. Choose any settlement option that applies.
  3. Select Calculate and review the result and assumptions.

What this tool calculates

Calculate three doubles and one treble from three selections using an equal unit stake per combination.

Returns = unit × (A×B + A×C + B×C + A×B×C). Total stake is four units.

Figures are informational. Operator grading, limits and local rules may change an actual settlement.

Worked example

Odds 1.80, 2.00 and 2.50 with 10 per combination cost 40. If all win, the three doubles and treble return 171.

CheckMeaning
InputsUse the example values prefilled above
OutputSelect Calculate to reproduce the worked example

Tips and limitations

  • Use the exact odds and settlement terms shown on the bet slip.
  • Do not round inputs before calculation.
  • Reset the tool before checking a different market.

FAQ

How is the doubles and trebles calculator result calculated?

Returns = unit × (A×B + A×C + B×C + A×B×C). Total stake is four units.

Are decimal odds required?

Yes. Enter decimal odds greater than 1.00 wherever an odds field is shown.

When does rounding happen?

The calculator keeps full JavaScript precision internally and rounds only the displayed values.

Can operator settlement rules change the result?

Yes. Voids, ties, commission, place terms and special market rules can vary, so check the market rules.

Does this result predict a winning bet?

No. It only calculates the entered values and does not forecast an event or guarantee a return.

Calculation notes

MethodValue
Odds formatDecimal where applicable
RoundingDisplay only

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