Lucky 31 Tool
31 bets on 5 selections from singles to a five-fold — a single winner returns.
How to Use This Calculator
- Pick your odds format (Decimal, Fractional, or American)
- Enter the unit stake (the amount staked on each individual bet)
- Enter odds for all 5 selections
- Mark each selection Won, Lost, or Void
- Read off total return, profit, and the 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 is a Lucky 31?
A Lucky 31 is 31 bets covering every combination of 5 selections, from singles up to a five-fold accumulator. One winner guarantees a return.
Do Lucky 31 bets carry bonuses?
Many bookmakers offer consolation bonuses on Lucky 31s, such as double odds for a single winner or a percentage boost if all 5 selections land.
What does a Lucky 31 cost?
31 times your unit stake. A $1 unit stake costs $31 total; a $2 unit stake costs $62.