Betting Odds Calculator
66/1 means that for every £1 you stake, you win £66 in profit if the bet wins. Your stake is returned on top of that, so a £1 bet at 66/1 returns £67 total.
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The implied probability is 1.49%. This means the bookmaker prices this outcome as having roughly a 1.49 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 66/1 Odds
| Stake | Profit | Total Return |
|---|---|---|
| £1.00 | £66.00 | £67.00 |
| £5.00 | £330.00 | £335.00 |
| £10.00 | £660.00 | £670.00 |
| £20.00 | £1,320.00 | £1,340.00 |
| £50.00 | £3,300.00 | £3,350.00 |
| £100.00 | £6,600.00 | £6,700.00 |
Odds Conversion
| Format | Value |
|---|---|
| Fractional | 66/1 |
| Decimal | 67 |
| American | +6600 |
| Implied Probability | 1.49% |
How the Calculation Works
Winnings: Stake x (66 / 1) = Profit. So £10 x (66 / 1) = £660.00 profit.
Probability: 1 / (66 + 1) = 1 / 67 = 1.49%.
Decimal odds: (66 / 1) + 1 = 67. Multiply your stake by this to get the total return including your stake.
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