Lucky 31 Calculator
31 bets over 5 selections from singles to a five-fold; a single winner returns.
How to Use This Calculator
- Set the odds format you’re working in (Decimal, Fractional, or American)
- Input the unit stake — the amount staked on each individual bet
- Input the odds for each of the 5 selections
- Flag the outcome of each selection (Won, Lost, or Void)
- Read off the total return, net profit, and the breakdown segmented by bet type
Formula
A Lucky 31 consists of 31 bets on 5 selections:
- 5 Singles
- 10 Doubles
- 10 Trebles
- 5 Four-folds
- 1 Five-fold
Total Stake = 31 × Unit Stake
Frequently Asked Questions
How is a Lucky 31 bet structured?
A Lucky 31 is a 31-bet system covering every possible combination of 5 selections, from singles through to a five-fold accumulator. A single winner guarantees a return.
Do bookmakers apply bonuses to Lucky 31 bets?
Many bookmakers attach consolation bonuses to Lucky 31 bets, such as double the odds on a single winner or a percentage bonus when all 5 selections land.
What's the total cost of a Lucky 31?
The cost is 31 × your unit stake. A $1 unit stake totals $31; a $2 unit stake totals $62.