Accumulator calculator

Add your selections’ decimal odds and a stake. See combined odds, total return and profit instantly.

Leg 1
Leg 2
Leg 3
Leg 4
COMBINED ODDS
13.50
TOTAL RETURN
£135.00
PROFIT
+£125.00
IMPLIED CHANCE
7.41%

An accumulator returns nothing unless everyselection wins. Combined odds = the product of each leg’s decimal odds. Acca bonuses vary by bookmaker — check their T&Cs. “Implied chance” is the break-even probability the combined odds represent, not a guarantee. Information only · 18+ · GamCare 0808 8020 133 · GAMSTOP

How to use this calculator

  1. Enter the decimal odds for each selection in your accumulator (e.g. 2.00).
  2. Use + Add selection to build 2–12 legs, or remove legs you don’t need.
  3. Set your stake — unlike a Lucky 15, an acca is a single bet, so this is your one stake.
  4. Optionally enter an acca bonus % if your bookmaker offers one (applied to winnings).
  5. Read off your combined odds, total return and profit.

Prefer the model do the picking? Hit Load today’s model accato pre-fill the highest-confidence upcoming selections at our model’s implied fair odds — then swap in your bookmaker’s real odds.

What is an accumulator?

An accumulator (“acca”) combines several selections into one bet. The odds multiply together, so the potential return grows fast — but every selection must win or the whole bet loses. That all-or-nothing nature is why accas are high-risk: a four-fold at evens has only a ~6% implied chance of landing.

Today’s accumulator tips → · Lucky 15 calculator →

Frequently asked questions

How does the accumulator calculator work?
Add the decimal odds for each selection and your stake. The calculator multiplies the odds to get your combined odds, then multiplies by the stake for your total return. An acca only pays if every leg wins.
How are accumulator odds calculated?
Combined odds = the product of each leg’s decimal odds. Three legs at 2.00 × 1.50 × 2.50 = 7.50, so a £10 stake returns £75 (£65 profit).
What is an acca bonus?
A percentage boost some bookmakers add to acca winnings, usually rising with the number of legs. Enter it in the bonus field; it’s applied to your winnings. Terms vary — check your bookmaker’s T&Cs.