Free Trixie calculator
3 selections, 4 bets — 3 doubles + 1 treble. Enter your stake and odds; the calculator works out the total outlay, returns, and profit.
| Type | Bets | Stake | Win | Place | Return |
|---|---|---|---|---|---|
| Total | 0 | £0.00 | £0.00 | £0.00 | £0.00 |
What a Trixie actually is
A Trixie is one of the simplest full-cover system bets in UK betting. You pick three selections — A, B and C — and the bookmaker writes four bets on your slip: three doubles (A+B, A+C, B+C) and one treble (A+B+C). At a £2 unit stake, that's £8 total outlay — four times your unit, not three. There are no singles, which is the single most important difference vs a Patent.
Because every bet requires at least a double to settle, you need a minimum of two winners out of three for the slip to return anything at all. One winner returns £0. Two winners return one double. Three winners return all three doubles plus the treble — and that's where Trixies shine, because the treble compounds the three prices into a single big payout that pulls the whole slip well above what three separate doubles would return.
Worked example — three winners at evens
Three selections, all priced Evens (2.00 decimal), with a £2 unit stake — total outlay £8. Settle each part of the slip:
- Double A+B = £2 × 2.00 × 2.00 = £8
- Double A+C = £2 × 2.00 × 2.00 = £8
- Double B+C = £2 × 2.00 × 2.00 = £8
- Treble A+B+C = £2 × 2.00 × 2.00 × 2.00 = £16
Total return = £40 on an £8 stake — a £32 profit, or a 4× multiplier from three even-money picks. The same three selections placed as three independent doubles would have returned £24 (no treble component) — the Trixie wins you the extra £16. That treble multiplier is the structural reason punters back full-cover bets instead of booking individual doubles.
Trixie vs Patent vs Yankee
The three system bets people confuse most often. The difference is mechanical, not stylistic:
| Bet type | Selections | Bets | Includes singles? | Minimum winners |
|---|---|---|---|---|
| Trixie | 3 | 4 | No | 2 |
| Patent | 3 | 7 | Yes (3) | 1 |
| Yankee | 4 | 11 | No | 2 |
Picking between them is a question of conviction and budget. Higher conviction on all three picks → Trixie (cheaper, bigger multiplier if all land). Want a safety net if only one wins → Patent. Confident across four picks rather than three → Yankee. The underlying price you're paying for is exposure to combinations, and a Trixie is the most efficient three-selection wager that still includes the treble multiplier.
Why the bookmaker still wins on average
Every leg of a Trixie carries the bookmaker's margin — the difference between the true probability of a selection winning and the price actually offered. With three legs compounding into one treble, that margin compounds too. It's the structural reason why multiples carry a stiffer hidden cost than singles — the cornerstone reference works the maths out from first principles, with worked examples on overround and vig.
Related tools and guides
- Betting Calculator — full multi-mode calculator: accumulator, system bets, lay, free bet, arbitrage.
- Odds Converter — Decimal ↔ Fractional ↔ American with implied probability.
- Golf Dead Heat Calculator — for tied finishing positions on Top N golf bets.
- System bets explained — the foundations guide covering every full-cover bet from Trixie up to Goliath.
- Bookmaker margin and overround — the cornerstone reference on what a price actually tells you.