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Lucky 15 calculator

4 selections: 4 singles, 6 doubles, 4 trebles and 1 four-fold — 15 bets. Enter decimal odds for each selection, mark the results, and every one of the 15 bets is settled instantly.

Lucky 15 returns

Total return
Profit / loss

What is inside a Lucky 15

Bet typeCount
Singles4
Doubles6
Trebles4
Four-folds1
Total bets15

When a Lucky 15 makes sense — honestly

Every bet inside a Lucky 15 carries the bookmaker's margin, and combining selections multiplies that margin just as it multiplies the odds. A system bet never improves your expected value over the same stakes placed as singles — what it changes is the shape of the outcomes: the singles soften bad days, while the bigger combinations carry the upside. That is a variance choice, not an edge.

The honest way to use one: pick selections that are each positive value on their own (our screener ranks the board by exactly that), keep the unit stake small enough that 15 bets fit your bankroll rules, and check every price before placing — a leg that drifted past fair value weakens every combination it sits in, not just its own single.

Lucky 15 FAQ

What is a Lucky 15 bet?+

A system bet on 4 selections made of 4 singles, 6 doubles, 4 trebles, 1 four-folds — 15 bets in total, each carrying its own stake. 4 selections: 4 singles, 6 doubles, 4 trebles and 1 four-fold — 15 bets.

How much does a Lucky 15 cost?+

Your unit stake times 15. At 1 unit per bet the full slip costs 15 units — the calculator shows the exact outlay as you type.

How many winners do I need for a Lucky 15 to pay?+

One. The singles mean a lone winner already returns something, though usually less than the total outlay — the calculator shows the exact figure for your odds.

What happens to void selections?+

A void (postponed match, non-runner) is not a loss: every combination containing it is settled at odds of 1.00 for that leg, so doubles become effective singles and so on. Mark a selection Void in the calculator to see the effect.

⚠️ Our AI model is still learning from match data. All predictions are experimental statistical estimates for information purposes only — not financial advice and not an invitation to bet. Outcomes are never guaranteed. 18+ · Gamble responsibly.