Lucky 31 Calc
31 bets on 5 picks — one winner returns.
How to Use This Calculator
- Pick your odds format (Decimal, Fractional, or American)
- Punch in the unit stake (what each individual bet costs)
- Drop in the odds for all 5 of your selections
- Flag the outcome of each selection (Won, Lost, or Void)
- Read off the total return, profit, and a clean breakdown 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
What exactly is a Lucky 31 bet?
A Lucky 31 is a 31-bet system covering every possible combination of 5 selections, from singles right up to a five-fold accumulator. One winner is enough to guarantee a return.
Do bookmakers offer bonuses on Lucky 31s?
Many tack on consolation bonuses, like double odds when just one selection wins, or a percentage boost if all 5 come in.
What does a Lucky 31 cost?
A Lucky 31 costs 31 times your unit stake. A $1 unit stake runs $31 total; a $2 unit stake runs $62.