Football betting odds show the potential return on a successful selection. They also translate into an implied probability—but that is not proof of an outcome’s true chance.
This guide explains decimal and fractional odds, the difference between return and profit, and what to check when comparing prices.
To calculate the total return on a winning bet, multiply your stake by the decimal odds.
Total return = stake × decimal odds
For a £10 bet at 2.50:
Total return: £25.
Profit: £15, after subtracting the £10 stake.
If the bet loses: the £10 stake is lost.
These examples assume a standard cash bet, before any applicable commission or deductions. Free-bet offers can have different stake-return rules.
Fractional odds express potential profit rather than total return.
At 6/4, a successful £4 bet produces £6 profit, plus the original £4 stake. That is equivalent to decimal odds of 2.50.
To convert fractional odds to decimal odds:
Decimal odds = numerator ÷ denominator + 1
The extra 1 accounts for the returned stake.
Convert decimal odds into a percentage using:
Implied probability = 1 ÷ decimal odds × 100
Odds of 2.50 imply 40%. Odds of 2.00 imply 50%.
Implied probability describes the price—not an independently established likelihood. Bookmaker margins also mean the implied probabilities across all possible outcomes commonly add up to more than 100%.
Shorter odds indicate a higher implied probability and a smaller potential profit per unit staked. They do not make a selection certain or automatically good value.
Before comparing two prices, check that they refer to the same:
Fixture and selection.
Market, such as match result or under 2.5 goals.
Match period and settlement rules.
Price type, including bookmaker back odds versus exchange lay odds.
Conditions, including commission or promotional restrictions.
A higher decimal price produces a larger return on the same successful back bet, but displayed odds can change or be unavailable when you reach the operator.
BetBurger compares bookmaker odds across events and markets.
OddsJam provides soccer-odds comparisons alongside other betting-research tools.
OddsMonkey compares bookmaker back odds with exchange lay odds through its OddsMatcher.
For past prices, explore historical football odds databases. For the broader research context, read football betting research for beginners.
Open the listings above to compare their coverage and price-research features—not to treat a displayed price as a guaranteed opportunity.
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