Accumulator (acca) calculator
Combine your selections to see the combined odds and return.
An accumulator rolls several selections into one bet — every leg has to win, but the odds multiply, so the returns climb fast. Add your legs and a stake to see the combined odds and exactly what a winning acca pays.
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What it does
- 2 to 6 legs
- Combined odds and total return
- Profit on a winning accumulator
- Runs entirely in your browser
How to use it
- 1Add your legs. Enter the decimal odds for each selection (two or more).
- 2Set your stake. Type the stake for the accumulator.
- 3See the return. The calculator multiplies the odds and shows the return and profit.
What powers this
This calculator runs entirely in your browser. There's no account, no API key and no feed — nothing you type leaves the page. The maths is the same commodity matched-betting and value arithmetic used across the industry, implemented carefully and unit-tested.
Embed it on your site
Paste this where you want the accumulator calculator to appear. The script auto-mounts every widget on the page; swap data-or-theme for light, dark or transparent.
<div data-or-widget="accumulator" data-or-theme="light"></div>
<script src="https://oddsrelay.io/widgets/oddsrelay-widgets.js" async></script>Questions
- How are accumulator odds calculated?
- The combined decimal odds are the product of every leg's odds — multiply them together. Odds of 2.0 and 3.0 combine to 6.0, so a winning acca returns six times the stake.
- What happens if one leg loses?
- In a standard accumulator every leg must win. If any leg loses, the whole bet loses — which is why accas are higher-risk than singles.
- Does this handle each-way accas or bonuses?
- This calculator covers the standard win accumulator. For each-way returns use the each-way calculator; acca bonuses vary by bookmaker and aren't included here.
18+ · Data product for licensed operators. Please gamble responsibly.
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