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Accumulator calculator

One bet on several selections. Every leg must win; a void leg drops out and the rest stand.

Odds format
Stake
£
won
1
won
2
won
3
won
4

Enter the details above to see the result.

Acca bonuses and insurance offers are not included.

How an accumulator settles

The decimal odds of every leg are multiplied together, then by the stake. Four legs at 2/1, 6/4, 11/10 and 4/5 make a price of 28.35, so £10 returns £283.50. One losing leg loses the whole bet; a void leg is treated as evens and the bet continues on the remaining legs.

Why the margin compounds

Each leg carries the bookmaker margin, and the margins multiply. Compare the accumulator price with the fair price from the margin calculator before staking.

All betting calculators

Pick the calculator for your bet type. Each one follows the same flow: odds format, stake, selections, results.

%Odds converterFractional, decimal, American and implied probability£PayoutSingle bet return and profitΣMarginTwo- and three-way bookmaker marginE/WEach-wayWin and place parts with place termsΣAccumulatorUp to 10 legs4Trixie3 selections, 4 bets7Patent3 selections, 7 bets11Yankee4 selections, 11 bets15Lucky 154 selections, 15 bets26Canadian5 selections, 26 bets÷DutchingSpread a stake across outcomesKKelly criterionStake sizing from your edge⇄HedgingSettle a bet for the same amount either way

Calculators show arithmetic on the numbers you enter. They do not predict results. 18+. BeGambleAware.org.