Home / Calculators / Acca calculator
Accumulator calculator
An accumulator, or acca, is one bet on four or more selections. Every selection has to win. Add selections and the odds multiply, and so does the chance of one of them letting you down.
What is an accumulator bet?
An accumulator, or acca, is one bet on four or more selections in different events. Every selection has to win. The odds multiply, which is why small stakes can return big amounts.
The chance of winning drops fast with every leg you add. A void leg is removed and the acca carries on with one fewer.
Accumulator returns and chances
Every leg here is at evens and a genuine 50% chance. The return is for a £1 stake.
| Legs | £1 returns | Chance every leg wins |
|---|---|---|
| 4 | £16.00 | 6.3% |
| 5 | £32.00 | 3.1% |
| 6 | £64.00 | 1.6% |
| 8 | £256.00 | 0.39% |
| 10 | £1,024.00 | 0.10% |
When an accumulator suits you
- A small, fun stake on a set of results you fancy.
Watch out for
- One losing leg and the whole bet loses.
- The bookmaker's margin multiplies with each leg, so accas carry a bigger margin than singles.
Setting the number of legs
Use the selections box to set how many legs your acca has. For two or three legs, use the double or treble calculator.
Related calculators
Treble calculatorEach way calculatorLucky 15 calculator
Read the guide: Accumulators explainedRead →Questions people ask
How do accumulators work?
Each leg's return rolls on to the next. Multiply the decimal odds of every leg and then by your stake to get the return. Every leg must win.
What happens if a leg in my acca is void?
The acca carries on with one fewer leg. A void fivefold becomes a fourfold.
Can I do an each way acca?
Yes. Switch on each way. The place part pays if every selection wins or places.