How to Calculate Football Bet Winnings — A Simple Guide to Odds and Returns 2026
Understanding how to calculate what you stand to win before placing a bet is fundamental. It tells you whether a bet represents value, helps you compare prices across bookmakers, and removes any surprise when winnings land in your account. The calculation is simple once you understand the odds format you're working with.
Decimal Odds — The Standard UK and European Format
Decimal odds are the most common format in the UK and Europe. The calculation is straightforward: multiply your stake by the decimal odds to get your total return. Then subtract your original stake to find your net profit.
Total return = stake × decimal odds
Net profit = total return − stake
Examples:
£10 at odds of 2.00: total return = £10 × 2.00 = £20. Net profit = £20 − £10 = £10.
£10 at odds of 1.50: total return = £10 × 1.50 = £15. Net profit = £15 − £10 = £5.
£10 at odds of 3.75: total return = £10 × 3.75 = £37.50. Net profit = £37.50 − £10 = £27.50.
The decimal number already includes your stake in the return calculation. A 2.00 odd means you get back double your stake — one unit of profit and one unit of original stake returned.
Fractional Odds — The Traditional UK Format
Fractional odds are still used by some UK bookmakers, particularly for horse racing. The left number is your profit for every unit of the right number staked.
Net profit = (stake × left number) ÷ right number
Total return = net profit + stake
Examples:
£10 at 2/1: profit = (£10 × 2) ÷ 1 = £20. Total return = £20 + £10 = £30.
£10 at 5/2: profit = (£10 × 5) ÷ 2 = £25. Total return = £25 + £10 = £35.
£10 at 1/2 (odds-on): profit = (£10 × 1) ÷ 2 = £5. Total return = £5 + £10 = £15.
To convert fractional to decimal: divide the left number by the right number and add 1. So 5/2 becomes (5 ÷ 2) + 1 = 3.50 decimal.
Accumulator Returns
In an accumulator, multiply all individual odds together to get the combined odds, then apply the same formula.
Three selections at 2.00, 1.80, and 2.50: combined odds = 2.00 × 1.80 × 2.50 = 9.00.
£5 stake at combined odds of 9.00: total return = £5 × 9.00 = £45. Net profit = £45 − £5 = £40.
Each additional leg multiplies the combined odds — and also multiplies the difficulty of landing all legs. A six-leg accumulator at average odds of 2.00 per selection gives combined odds of 64.00, but requires all six predictions to be correct.
Implied Probability — Reading What Odds Actually Mean
Every set of odds implies a probability. Converting odds to implied probability helps you assess whether a bet represents value.
Implied probability = 1 ÷ decimal odds × 100
Odds of 2.00 imply 50% probability. Odds of 1.50 imply 66.7%. Odds of 4.00 imply 25%. If you believe the true probability is higher than what the odds imply, the bet has value.
Bookmaker Margin
Add up the implied probabilities of all outcomes in a market and you'll get more than 100%. The excess is the bookmaker's margin. On a match result market with home at 2.10, draw at 3.40, and away at 3.60 — the implied probabilities are 47.6% + 29.4% + 27.8% = 104.8%. The bookmaker's margin is 4.8%.
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