Betting Odds Calculator
17/20 means that for every £20 you stake, you win £17 in profit if the bet wins. Your stake is returned on top of that, so a £20 bet at 17/20 returns £37 total.
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The implied probability is 54.05%. This means the bookmaker prices this outcome as having roughly a 54.05 in 100 chance of happening.
These are odds on – your stake is greater than the potential profit. The bookmaker considers this outcome more likely than not.
Winnings Table for 17/20 Odds
| Stake | Profit | Total Return |
|---|---|---|
| £1.00 | £0.85 | £1.85 |
| £5.00 | £4.25 | £9.25 |
| £10.00 | £8.50 | £18.50 |
| £20.00 | £17.00 | £37.00 |
| £50.00 | £42.50 | £92.50 |
| £100.00 | £85.00 | £185.00 |
Odds Conversion
| Format | Value |
|---|---|
| Fractional | 17/20 |
| Decimal | 1.85 |
| American | -118 |
| Implied Probability | 54.05% |
How the Calculation Works
Winnings: Stake x (17 / 20) = Profit. So £10 x (17 / 20) = £8.50 profit.
Probability: 20 / (17 + 20) = 20 / 37 = 54.05%.
Decimal odds: (17 / 20) + 1 = 1.85. Multiply your stake by this to get the total return including your stake.
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