Betting Odds Calculator

Fractional Odds28/2
Decimal Odds15
Implied Probability6.67%
£10 Profit£140.00

28/2 means that for every £2 you stake, you win £28 in profit if the bet wins. Your stake is returned on top of that, so a £2 bet at 28/2 returns £30 total.

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The implied probability is 6.67%. This means the bookmaker prices this outcome as having roughly a 6.67 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 28/2 Odds

Stake Profit Total Return
£1.00 £14.00 £15.00
£5.00 £70.00 £75.00
£10.00 £140.00 £150.00
£20.00 £280.00 £300.00
£50.00 £700.00 £750.00
£100.00 £1,400.00 £1,500.00

Odds Conversion

Format Value
Fractional 28/2
Decimal 15
American +1400
Implied Probability 6.67%

How the Calculation Works

Winnings: Stake x (28 / 2) = Profit. So £10 x (28 / 2) = £140.00 profit.

Probability: 2 / (28 + 2) = 2 / 30 = 6.67%.

Decimal odds: (28 / 2) + 1 = 15. Multiply your stake by this to get the total return including your stake.

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Written & Reviewed by Matt K
Sports Betting Analyst at Winners Media

I have been covering the UK betting industry since 2007, testing sportsbooks across mobile and desktop. At TabletBetting, I review betting sites, compare odds and payment methods, and track new bookmaker launches. My focus is on the mobile experience - how apps perform under real conditions, not just what the marketing says.
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