Betting Odds Calculator
9/2 means that for every £2 you stake, you win £9 in profit if the bet wins. Your stake is returned on top of that, so a £2 bet at 9/2 returns £11 total.
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The implied probability is 18.18%. This means the bookmaker prices this outcome as having roughly a 18.18 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 9/2 Odds
| Stake | Profit | Total Return |
|---|---|---|
| £1.00 | £4.50 | £5.50 |
| £5.00 | £22.50 | £27.50 |
| £10.00 | £45.00 | £55.00 |
| £20.00 | £90.00 | £110.00 |
| £50.00 | £225.00 | £275.00 |
| £100.00 | £450.00 | £550.00 |
Odds Conversion
| Format | Value |
|---|---|
| Fractional | 9/2 |
| Decimal | 5.5 |
| American | +450 |
| Implied Probability | 18.18% |
How the Calculation Works
Winnings: Stake x (9 / 2) = Profit. So £10 x (9 / 2) = £45.00 profit.
Probability: 2 / (9 + 2) = 2 / 11 = 18.18%.
Decimal odds: (9 / 2) + 1 = 5.5. Multiply your stake by this to get the total return including your stake.
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