Lucky 15 Winnings Calculator
Enter your four selections, stake per line, and which picks won. This tool calculates total return, total stake, and net profit/loss for a standard Lucky 15 (win-only) bet.
| Selection | Decimal Odds | Result |
|---|---|---|
What is a Lucky 15 bet?
A Lucky 15 is a multiple bet made up of 15 separate bets across 4 selections:
- 4 Singles
- 6 Doubles
- 4 Trebles
- 1 Fourfold accumulator
Because singles are included, you can still get some return even if only one of your four picks wins. That makes Lucky 15 a popular format for bettors who want a balance between big upside and partial protection.
How this Lucky 15 winnings calculator works
This calculator uses decimal odds and calculates your returns for all winning lines based on your selected outcomes (Win/Lose).
Core formula
For each winning line, return is calculated as:
Return = Stake per line × Product of decimal odds in that line
Total return is the sum of all winning singles, doubles, trebles, and (if applicable) the fourfold. Net profit/loss is then:
Net = Total Return - Total Stake
Total stake in a Lucky 15
A Lucky 15 always has 15 lines. So if your stake is £1 per line, total stake is £15. If your stake is £2 per line, total stake is £30, and so on.
Step-by-step usage
- Enter your stake per line.
- Enter decimal odds for each of your 4 selections.
- Mark each selection as Win or Lose.
- Optionally add a 4-winner bonus percentage (if your bookmaker offers one).
- Click Calculate Winnings.
Understanding your output
The results panel shows:
- Total Stake — your full amount risked across all 15 lines.
- Total Return — amount paid back including returned stakes from winning lines.
- Net Profit/Loss — how much you gained or lost after stake cost.
- Breakdown by bet type — how much came from singles, doubles, trebles, and fourfold.
Example scenario
Suppose you place a Lucky 15 at £1 per line with decimal odds of 2.5, 3.0, 4.0, and 5.0:
- If all four win, every line wins and your return can be substantial.
- If only two win, only the relevant singles and one double pay out.
- If only one wins, you still get the winning single back.
This is why many bettors view Lucky 15 as more forgiving than a straight accumulator while still keeping meaningful upside.
Common mistakes to avoid
1) Confusing stake per line with total stake
In Lucky 15 betting, the entered stake is usually per line. Multiply by 15 to get your true exposure.
2) Mixing odds formats
If you type fractional odds into a decimal field, your result will be wrong. Always convert first.
3) Ignoring bookmaker rules
Some bookmakers add special terms (single winner guarantees, all-winner bonuses, etc.). This calculator includes an optional all-4-winner bonus percentage, but always verify your exact offer terms.
Responsible betting reminder
Even mathematically structured bets carry risk. Set limits before placing bets, avoid chasing losses, and only wager what you can afford to lose. Tools like this calculator help with planning, but they do not change betting variance.