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Lucky 15 Calculator

The most popular of the family — fifteen bets, and one winner still pays.

A Lucky 15 covers four selections in fifteen bets: four singles, six doubles, four trebles and a fourfold. It is by far the most commonly placed bet of this family, and the singles are why.

Your 4 selections, in American odds

Selection 1
Selection 2
Selection 3
Selection 4
Stake per line

Bets placed

15

Total staked

£15.00

If all win

£80.00

Break even at

3 of 4

Profit at each number of winning selections
WinnersLines that cashProfit
4 of 415£65.00
3 of 47£11.00
2 of 43−£7.00
1 of 41−£13.00
0 of 40−£15.00
Winning half your selections still loses money here. You need 3 of 4 before this ticket breaks even.

The same £15.00 on a single 4-fold accumulator would return £240.00 if everything won, against £80.00 here. The difference is what you are paying for the softer landing — and each line carries its own compounded margin, so this is a way to spread risk, not an edge.

Common questions

How much does a Lucky 15 cost?
A Lucky 15 is 15 separate bets, so your total stake is 15 times your stake per line. A £1 Lucky 15 costs £15, not £1 — the single most common surprise with these bets, and the reason the calculator shows total stake before anything else.
How many bets is a Lucky 15?
15. It covers doubles, trebles, 4-folds, plus a single on each selection across 4 selections. That count is fixed by the maths — it is every combination of those sizes — which is why every bookmaker's Lucky 15 has exactly 15 lines.
How many winners do I need for a Lucky 15 to pay out?
To get anything back, one winner already returns something. To actually profit is a different question and depends entirely on your prices — at short odds you can win most of your selections and still lose money, because the losing lines outnumber the winning ones. The scenario table shows the exact point where your ticket turns a profit.
Why is it called a Lucky 15?
Because it is fifteen bets — four singles, six doubles, four trebles and one fourfold. The Lucky family is named the same way: a Lucky 31 is 31 bets across five selections and a Lucky 63 is 63 across six.
What are bookmaker bonuses on a Lucky 15?
Many bookmakers add a consolation for one winner from four, or a bonus if all four win — often a percentage uplift. Those offers vary by book and change often, so this calculator deliberately ignores them and shows the underlying bet. Treat any bonus as a separate addition to the figures here, and read the terms, since they usually exclude certain prices.

Track every bet automatically

Stop doing the math by hand. Bankroll Guardian logs your bets and shows P&L, ROI, CLV and more — free to start, no card required.