Betting Odds Calculator
71/2 means that for every £2 you stake, you win £71 in profit if the bet wins. Your stake is returned on top of that, so a £2 bet at 71/2 returns £73 total.
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The implied probability is 2.74%. This means the bookmaker prices this outcome as having roughly a 2.74 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 71/2 Odds
| Stake | Profit | Total Return |
|---|---|---|
| £1.00 | £35.50 | £36.50 |
| £5.00 | £177.50 | £182.50 |
| £10.00 | £355.00 | £365.00 |
| £20.00 | £710.00 | £730.00 |
| £50.00 | £1,775.00 | £1,825.00 |
| £100.00 | £3,550.00 | £3,650.00 |
Odds Conversion
| Format | Value |
|---|---|
| Fractional | 71/2 |
| Decimal | 36.5 |
| American | +3550 |
| Implied Probability | 2.74% |
How the Calculation Works
Winnings: Stake x (71 / 2) = Profit. So £10 x (71 / 2) = £355.00 profit.
Probability: 2 / (71 + 2) = 2 / 73 = 2.74%.
Decimal odds: (71 / 2) + 1 = 36.5. Multiply your stake by this to get the total return including your stake.
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