Betting Odds Calculator
13/2 means that for every £2 you stake, you win £13 in profit if the bet wins. Your stake is returned on top of that, so a £2 bet at 13/2 returns £15 total.
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The implied probability is 13.33%. This means the bookmaker prices this outcome as having roughly a 13.33 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 13/2 Odds
| Stake | Profit | Total Return |
|---|---|---|
| £1.00 | £6.50 | £7.50 |
| £5.00 | £32.50 | £37.50 |
| £10.00 | £65.00 | £75.00 |
| £20.00 | £130.00 | £150.00 |
| £50.00 | £325.00 | £375.00 |
| £100.00 | £650.00 | £750.00 |
Odds Conversion
| Format | Value |
|---|---|
| Fractional | 13/2 |
| Decimal | 7.5 |
| American | +650 |
| Implied Probability | 13.33% |
How the Calculation Works
Winnings: Stake x (13 / 2) = Profit. So £10 x (13 / 2) = £65.00 profit.
Probability: 2 / (13 + 2) = 2 / 15 = 13.33%.
Decimal odds: (13 / 2) + 1 = 7.5. Multiply your stake by this to get the total return including your stake.