Lucky 15 Calculator

15 bets over 4 selections (4 singles, 6 doubles, 4 trebles, a four-fold); one winner pays.

Please enter a valid stake amount
Selections (4)
Please enter valid odds
Please enter valid odds
Please enter valid odds
Please enter valid odds
Results
Total Bets --
Total Stake --
Total Return --
Profit --

How to Use This Calculator

  1. Set the odds format you’re working in (Decimal, Fractional, or American)
  2. Input the unit stake — the amount staked on each individual bet
  3. Input the odds for each of the 4 selections
  4. Flag the outcome of each selection (Won, Lost, or Void)
  5. Read off the total return, net profit, and the breakdown segmented by bet type

Formula

A Lucky 15 consists of 15 bets on 4 selections:

  • 4 Singles: A, B, C, D
  • 6 Doubles: AB, AC, AD, BC, BD, CD
  • 4 Trebles: ABC, ABD, ACD, BCD
  • 1 Four-fold: ABCD

Total Stake = 15 × Unit Stake

Just one winner guarantees a return from the singles.

Frequently Asked Questions

How is a Lucky 15 bet structured?

A Lucky 15 is a 15-bet system spanning 4 selections: 4 singles, 6 doubles, 4 trebles, and 1 four-fold. Because the singles are built in, a single winner guarantees some return.

Do bookmakers apply bonuses to Lucky 15 bets?

Many bookmakers attach bonuses to Lucky 15 bets — for instance, double the odds on a lone winner or a percentage uplift when all 4 selections land. Confirm the exact terms with your bookmaker.

What's the total cost of a Lucky 15?

The cost is 15 × your unit stake. A unit stake of $1 produces a total bet of $15; a unit stake of $5 produces a total cost of $75.