Betting Odds Calculator
2/1 means that for every £1 you stake, you win £2 in profit if the bet wins. Your stake is returned on top of that, so a £1 bet at 2/1 returns £3 total.
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The implied probability is 33.33%. This means the bookmaker prices this outcome as having roughly a 33.33 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 2/1 Odds
| Stake | Profit | Total Return |
|---|---|---|
| £1.00 | £2.00 | £3.00 |
| £5.00 | £10.00 | £15.00 |
| £10.00 | £20.00 | £30.00 |
| £20.00 | £40.00 | £60.00 |
| £50.00 | £100.00 | £150.00 |
| £100.00 | £200.00 | £300.00 |
Odds Conversion
| Format | Value |
|---|---|
| Fractional | 2/1 |
| Decimal | 3 |
| American | +200 |
| Implied Probability | 33.33% |
How the Calculation Works
Winnings: Stake x (2 / 1) = Profit. So £10 x (2 / 1) = £20.00 profit.
Probability: 1 / (2 + 1) = 1 / 3 = 33.33%.
Decimal odds: (2 / 1) + 1 = 3. Multiply your stake by this to get the total return including your stake.
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