Betting Odds Calculator
13/8 means that for every £8 you stake, you win £13 in profit if the bet wins. Your stake is returned on top of that, so a £8 bet at 13/8 returns £21 total.
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The implied probability is 38.1%. This means the bookmaker prices this outcome as having roughly a 38.1 in 100 chance of happening.
These are odds against – the potential profit is greater than your stake. The higher the first number relative to the second, the less likely the bookmaker thinks the outcome is.
Winnings Table for 13/8 Odds
| Stake | Profit | Total Return |
|---|---|---|
| £1.00 | £1.63 | £2.63 |
| £5.00 | £8.13 | £13.13 |
| £10.00 | £16.25 | £26.25 |
| £20.00 | £32.50 | £52.50 |
| £50.00 | £81.25 | £131.25 |
| £100.00 | £162.50 | £262.50 |
Odds Conversion
| Format | Value |
|---|---|
| Fractional | 13/8 |
| Decimal | 2.63 |
| American | +163 |
| Implied Probability | 38.1% |
How the Calculation Works
Winnings: Stake x (13 / 8) = Profit. So £10 x (13 / 8) = £16.25 profit.
Probability: 8 / (13 + 8) = 8 / 21 = 38.1%.
Decimal odds: (13 / 8) + 1 = 2.63. Multiply your stake by this to get the total return including your stake.
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