Work out accumulator payout instantly with clear inputs, formula shown and shareable results.
Combined odds are the average price raised to the power of the number of selections, and the bonus is applied to the gross return rather than the profit. Adding legs raises the headline payout exponentially while cutting the chance of winning by the same factor, which is why accumulator bonuses exist.
Combined odds
combined = average odds ^ number of selections
Payout
payout = stake x combined odds x (1 + bonus)
combined = average odds ^ number of selections. Combined odds are the average price raised to the power of the number of selections, and the bonus is applied to the gross return rather than the profit.
Adding legs raises the headline payout exponentially while cutting the chance of winning by the same factor, which is why accumulator bonuses exist.
Enter number of selections, average decimal odds per selection, stake, accumulator bonus. The defaults shown are a realistic worked example — swap in your own figures to get a result you can use.