Odds explainer
Fractional vs decimal odds
The two languages of a UK coupon, translated without a sales pitch: 5/2, 3.50, and why switching the display does not change the bet.
British football betting grew up in fractions. Five-to-two, eleven-to-four, evens. Apps then arrived from markets that print decimals, and most UK books now let you switch. The stake does not change. The settlement math does. The confusion is almost always about whether the stake is sitting inside the number.
Fractional odds
5/2 means: if you stake 2, the book pays 5 in profit if you win, and you also receive your 2 stake back. Total return is 7 on a 2 stake. The left number is profit, the right number is stake in the same units.
Evens, written 1/1 or evs, pays profit equal to stake. Odds-on is the other way up: 4/6 means you must stake 6 to profit 4. That is a favourite’s price, not a bargain by definition.
Each-way, where it still appears on outrights or place markets, is a second bet on a place term. Football match betting is usually win-only. Do not import horse-racing each-way habits onto a 1X2.
Decimal odds
3.50 means: total return is stake × 3.50, including the stake. Profit is stake × 2.50. Decimal odds of 2.00 are evens. Decimal odds of 1.67 are about 4/6.
The conversion from fractional a/b to decimal is (a ÷ b) + 1. So 5/2 becomes 2.5 + 1 = 3.50. From decimal d to fractional profit is d − 1, then reduce the fraction.
Why books show both
Fractions still feel like a shop. Decimals make accas easier, because you multiply the decimals and then multiply by stake. Our accumulators note is the next page if that is the habit you are trying to understand rather than the habit you are trying to feed.
American odds appear on some screens because group apps share a back end. A plus figure is profit on a 100 stake; a minus figure is the stake needed to profit 100. You do not need it for Premier League Saturday unless you have switched the display by accident.
Display is not value
Changing 5/2 into 3.50 does not make the bet better. It makes the arithmetic tidier. The margin is still in the price. If two books show the same selection at 3.40 and 3.55, that is a price difference. If one book shows 5/2 and another shows 3.50, that is the same offer in two fonts.
A working check
Before you confirm anything in an app — and Footballbet will never confirm it for you — ask:
- Is this profit-only (fractional) or return-including-stake (decimal)?
- What is the market definition?
- Is the stake an amount I can afford to lose?
We are not a bookmaker. 18+ only.