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Betting Calculators

Work out what any bet returns before you place it. Our bet calculator handles every bet type a UK bookmaker offers, from a single bet to a 247-bet Goliath, and applies Rule 4 deductions, dead heat rules and each way place terms to the final payout. Enter the odds, pick your bet type, add your stake, and the bet calculator will instantly display your total return, your potential profit and a breakdown of which selections paid. Change any of the odds and it recalculates on the spot. Most bet calculators stop at the odds. This one carries on into the settlement rules that actually decide what a bookmaker pays you, which is where the difference between your maths and their payout usually lives.

Acca Builder

Build your acca from this week's real fixtures and see which bookmaker pays the most for it.

Free Bet Value Calculator

What a free bet is really worth in cash, from its amount, odds and terms.

Each-Way Calculator

Work out the win and place parts of an each-way bet.

Odds Converter

Convert between decimal, fractional and American odds.

Lay Calculator

Hedge a cash back bet on a betting exchange.

Matched Betting Calculator

Work out back and lay stakes to lock in value from a free bet.

Staking Calculator

Level, percentage or Kelly criterion bet sizing.

Bet Tracker

Log your bets and track running P/L, ROI and strike rate.

Bet Type Calculators

Single

1 bet · 1 selections

One selection, one bet — win or lose on that result alone.

Double

1 bet · 2 selections

One bet covering two selections. Both must win for any return.

Treble

1 bet · 3 selections

One bet covering three selections. All three must win.

Trixie

4 bets · 3 selections

4 bets from 3 selections: 3 doubles and 1 treble. At least 2 winners needed for a return.

Patent

7 bets · 3 selections

7 bets from 3 selections: 3 singles, 3 doubles and 1 treble. Just 1 winner guarantees a return.

Yankee

11 bets · 4 selections

11 bets from 4 selections: 6 doubles, 4 trebles and 1 four-fold. At least 2 winners needed.

Lucky 15

15 bets · 4 selections

15 bets from 4 selections: 4 singles, 6 doubles, 4 trebles and 1 four-fold. Just 1 winner guarantees a return.

Lucky 31

31 bets · 5 selections

31 bets from 5 selections, covering every single, double, treble, four-fold and the five-fold.

Lucky 63

63 bets · 6 selections

63 bets from 6 selections, covering every combination from singles up to the six-fold.

Heinz

57 bets · 6 selections

57 bets from 6 selections: every double, treble, four-fold, five-fold and the six-fold. At least 2 winners needed.

Super Heinz

120 bets · 7 selections

120 bets from 7 selections: every combination of 2 or more, up to the seven-fold.

Goliath

247 bets · 8 selections

247 bets from 8 selections: every combination of 2 or more, up to the eight-fold.

Accumulator

1 bet · 4 selections

A single bet across 4 or more selections. Every leg must win.

Canadian

26 bets · 5 selections

26 bets from 5 selections: 10 doubles, 10 trebles, 5 four-folds and 1 five-fold. Also called a Super Yankee. At least 2 winners needed.