A Lucky 15 is one of the most popular UK and Irish horse racing bets: 15 bets on four selections — 4 singles, 6 doubles, 4 trebles and 1 four-fold. Because it includes the singles, just one winner still returns money, which is what makes it a favourite for ITV Saturday cards and festival multiples.
Enter your four prices, mark each result, and the calculator shows your total returns, total stake, profit or loss and how many of your four selections won — including the bonuses most bookmakers add.
Lucky 15 Calculator
A Lucky 15 is 15 bets on 4 selections: 4 singles, 6 doubles, 4 trebles and 1 four-fold. Enter your 4 prices and results below.
Bonus rules vary by bookmaker — Betfred’s original Lucky 15 uses double-odds-for-one-winner + 10% all-up. Untick for plain returns.
Your 4 selections
Void = non-runner (leg removed; bet counts down). Placed only matters each-way.
For guidance only — always confirm on your bookmaker’s bet slip. 18+ · GambleAware.org
How to use the Lucky 15 calculator:
- Choose fractional or decimal odds at one of the horse racing sites in teh UK we review here.
- Set your unit stake — the stake per bet. A £1 Lucky 15 costs £15; £2 costs £30.
- Tick each-way to turn it into 30 bets (and double the stake), then set the place terms.
- Leave bonuses ticked to apply the standard rules, or untick for plain returns.
- Enter each price and mark Won, Placed, Lost or Void.
The standard Lucky 15 bonuses
Most bookmakers (originally Betfred) add two bonuses: if only one of your four selections wins, that single is paid at double the odds; and if all four win, you get a 10% bonus on total returns. Bonus rules vary by bookmaker, so the calculator lets you switch them off.
Worked example: Four winners at Evens (2.00) in a £1 Lucky 15 returns £80 before bonuses. As all four won, the 10% all-winner bonus lifts that to £88 from a £15 stake. With only one winner — say a single 5/1 shot — the double-odds bonus pays that single at 11/1 instead.
Useful links: Each-way betting explained · Full bet calculator · Each-way calculator · Best bookies for accumulators (UK)
Lucky 15 FAQ :
What is a Lucky 15 bet? A Lucky 15 is 15 bets on four selections: four singles, six doubles, four trebles and one four-fold accumulator. One winner is enough to get a return, and more winners multiply quickly through the combined doubles and trebles.
How much does a Lucky 15 cost? Your unit stake is multiplied by 15. A £1 Lucky 15 costs £15; a £2 Lucky 15 costs £30. Placed each-way it doubles to 30 bets, so a £1 each-way Lucky 15 costs £30.
What are the Lucky 15 bonuses? Two are standard: a one-winner bonus that pays your single winner at double the odds, and an all-winner bonus that adds 10% to total returns when all four win. Exact terms vary by bookmaker, so always check the offer.
Can you do a Lucky 15 each-way? Yes. Each-way doubles it to 30 bets — 15 for the win and 15 for the place — and doubles your stake. The calculator splits the win and place returns for you.
- What happens if a horse is a non-runner in a Lucky 15? That selection is voided and the bet reduces — your Lucky 15 effectively becomes a Patent on the three remaining runners, with the relevant singles returned.
UK Horse Racing Bonuses & Offers 2026
Our top UK horse racing offers; deals are 18+ only and subject to T&Cs. GambleAware.org.
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Responsible gambling line: For guidance only — confirm returns on your bet slip. 18+. GambleAware.org.