Betting Odds Calculator
4/5 means that for every £5 you stake, you win £4 in profit if the bet wins. Your stake is returned on top of that, so a £5 bet at 4/5 returns £9 total.
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The implied probability is 55.56%. This means the bookmaker prices this outcome as having roughly a 55.56 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 4/5 Odds
| Stake | Profit | Total Return |
|---|---|---|
| £1.00 | £0.80 | £1.80 |
| £5.00 | £4.00 | £9.00 |
| £10.00 | £8.00 | £18.00 |
| £20.00 | £16.00 | £36.00 |
| £50.00 | £40.00 | £90.00 |
| £100.00 | £80.00 | £180.00 |
Odds Conversion
| Format | Value |
|---|---|
| Fractional | 4/5 |
| Decimal | 1.8 |
| American | -125 |
| Implied Probability | 55.56% |
How the Calculation Works
Winnings: Stake x (4 / 5) = Profit. So £10 x (4 / 5) = £8.00 profit.
Probability: 5 / (4 + 5) = 5 / 9 = 55.56%.
Decimal odds: (4 / 5) + 1 = 1.8. Multiply your stake by this to get the total return including your stake.
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