Betting Odds Calculator

Fractional Odds5/6
Decimal Odds1.83
Implied Probability54.55%
£10 Profit£8.33

5/6 means that for every £6 you stake, you win £5 in profit if the bet wins. Your stake is returned on top of that, so a £6 bet at 5/6 returns £11 total.

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The implied probability is 54.55%. This means the bookmaker prices this outcome as having roughly a 54.55 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 5/6 Odds

Stake Profit Total Return
£1.00 £0.83 £1.83
£5.00 £4.17 £9.17
£10.00 £8.33 £18.33
£20.00 £16.67 £36.67
£50.00 £41.67 £91.67
£100.00 £83.33 £183.33

Odds Conversion

Format Value
Fractional 5/6
Decimal 1.83
American -120
Implied Probability 54.55%

How the Calculation Works

Winnings: Stake x (5 / 6) = Profit. So £10 x (5 / 6) = £8.33 profit.

Probability: 6 / (5 + 6) = 6 / 11 = 54.55%.

Decimal odds: (5 / 6) + 1 = 1.83. 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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