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What Is Over/Under in Football? Betting Tips and How to Calculate Over/Under Winnings [Win Guide]
In football betting, you've likely heard of the Over/Under bet, or odds like Over/Under 2.5, Over 2 goals, Under 3 goals, etc. Even on sports programs on VTV, terms like Under 3.5 or Over 3 goals are mentioned. So, what exactly is Over/Under betting in football? In this article, bet win tips will provide a detailed explanation of what Over/Under (O/U) bets are in football.
What Is Over/Under Betting in Football?
Over/Under (abbreviated as O/U) is a type of bet where the bookmakers online sets a projected number for a match. The bettor’s task is to predict whether the actual number will be higher (Over) or lower (Under) than the bookmaker’s number.
Initially, Over/Under bets were used to wager on the total number of goals scored in a match—typically whether there would be more or fewer than 2.5 goals. But today, O/U betting is used for many other match statistics such as yellow cards, red cards, throw-ins, free kicks, corner kicks, and more. Let’s explore the different types of Over/Under bets in football with Kubet.
Types of Over/Under Bets in Football
1. Goals – This is the most popular type of Over/Under bet because it's easy to follow and doesn't require extensive statistics. Variations include total goals in the first half, second half, or the entire match.
2. Yellow Cards – Also common and easy to track. Wintips recommends betting on card totals in fast-paced Premier League matches or intense derby games.
3. Corner Kicks – Especially useful when betting on teams that rely on aerial play. Statistics for corners are widely available and can be used for profitable bets.
4. Offsides – Though less common, betting on total offsides is a newer variant. It’s recommended for matches involving teams with strong counter-attacks or teams that actively use the offside trap.
How to Bet and Calculate Winnings on Over/Under
Over/Under is a 50/50 bet—only two outcomes are possible: either the result is over or under the line set by the bookmaker, so your chances of winning are 50%.
Example:
When the U.S. And Canada women’s national teams are about to play in the semi-finals, Kubet lists the Over/Under line at 2.5 goals. The ".5" eliminates the possibility of a draw in the bet. If the line was 2.0 and the final score was 2-0, then both Over and Under bets would be void and refunded.
If the line is 2.5 goals and you bet on Over, you win if there are 3 or more total goals scored. Your winnings=your bet × the Over odds (e.g., 0.99). So if you bet 100,000 VND on Over, you'd earn 99,000 VND profit.
If you bet on Under, you need the match to end with 2 goals or fewer. For example, a 1-1 draw. Your profit=your bet × the Under odds (e.g., 0.87), so 100,000 VND × 0.87=87,000 VND profit.

How to Use Math to Analyze Over/Under Bets
Take a match with an Over/Under line of 2.5 goals. Look at the last 4 matches of each team (total of 8 matches).
If a match ends with more than 2.5 goals, score it as +0.5.
If both teams scored, add +0.75, even if under 2.5 goals.
If under 2.5 goals, subtract -0.5.
If one team didn’t score, subtract -0.75, even if total goals exceeded 2.5.
Add all values for a final total, positive or negative.
Example:
Recent results: 4:2, 2:1, 2:2, 0:0, 2:0, 2:1, 3:1, 3:0
Calculation:
+0.5 +0.75 +0.5 +0.75 +0.5 +0.75 -0.5 -0.75 -0.5 -0.75 +0.5 +0.75 +0.5 +0.75 +0.5 -0.75 = +3.5
Compare this with the current bookmaker's O/U line to decide whether to bet Over or Under.
Use Statistics to Predict Over/Under Bets
Use league stats from the current season to estimate O/U outcomes.
Start by finding the average goals per match in the league, then divide by 2 to get the base goal value per team.
Example: Bundesliga average=2.5 goals per match ⇒ 1.225 goals/team
For the home team:
(Home goals scored / Home games) – 1.225
If 30 goals in 15 games ⇒ (30 / 15) - 1.225=+0.625
Estimated home team goals=1.225 + 0.625 = 1.85 goals
For the away team:
(Away goals / Away games) – 1.225
If 14 goals in 15 games ⇒ (14 / 15) - 1.225=-0.292
Estimated away goals=1.225 - 0.292 = 0.933 goals
Expected total goals = 1.85 + 0.933 = 2.783
To balance against league averages:
(2.5 league average + 2.783 projected total) / 2 = 2.6415 goals
If the bookmaker’s w88 login line is 2.25 or 2.5, you might confidently bet on Over.
Conclusion
Over/Under betting in football offers good chances of winning due to its 50/50 nature. To increase your success rate:
Check team statistics before betting.
Look at how many goals they typically score or concede.
Analyze their history with cards, corners, or other O/U variations.
With careful research and proper data analysis, you can turn Over/Under betting into a profitable strategy.