Over/under (totals) explained
An over/under, also called a total, is about the combined score of both teams, not about who wins. The over wins if the total goes above the line. The under wins if it stays below.
Last reviewed:
Worked example
To start, the box below is filled in with Over 221.5 -110. This starting line is the over on 221.5 combined points, at a price of -110. The box is editable: type any line, or tap one under the card, and the explanation updates.
Over 221.5: the bet wins if the combined score is 222 or more.
What it means
It doesn't matter who wins, only the two scores added together. The other side is Under 221.5, which wins at 221 or fewer.
Scenarios
| If… | Over 221.5 | Under 221.5 |
|---|---|---|
| Combined score 230 | Win | Loss |
| Combined score 222 | Win | Loss |
| Combined score 221 | Loss | Win |
The numbers
Over 221.5 −110
- Implied probability
- 52.38%
- Decimal
- 1.91
- American
- −110
- Per 100 staked
- returns 190.91 (profit 90.91)
Watch out for
The total is both teams' scores added together. It isn't the winning margin, and it doesn't matter which team scores.
Learn more: Over/under guide
Common lines to try
How a total is settled
Add both teams’ final scores together and compare the sum with the line.
With O/U 221.5, Lakers 115, Celtics 108: 115 + 108 = 223. That’s above 221.5, so the over wins.
| Combined score | Over 221.5 | Under 221.5 |
|---|---|---|
| 230 | Win | Loss |
| 222 | Win | Loss |
| 221 | Loss | Win |
| 210 | Loss | Win |
So over 221.5 means 222 or more, and under 221.5 means 221 or fewer.
Whole numbers can push
On O/U 221, a combined score of exactly 221 is a push for both sides:
the stake is returned. Anything above 221 is an over, anything below is an under.
Who wins doesn’t matter
A 120–102 blowout and a 112–110 thriller both total 222. Both are overs on 221.5. If you want a bet on who wins, that’s a moneyline or a point spread.
Totals in other sports
The idea is the same everywhere. Only the unit changes:
- Basketball and American football: points.
- Baseball: runs, usually between 8 and 9 (
u 8.5). - Hockey and soccer: goals, often 5.5 or 6.5 in hockey and 2.5 in soccer.
Whether overtime or extra innings count is set by the house rules. In most US sports they do. In soccer, totals are normally settled on regular time plus stoppage time, without extra time.
Boxing round totals
O/U 9.5 rounds is about how long the fight lasts, not points.
- 9.5 rounds is the halfway point of round 10. In a 3-minute round, that’s 1:30 into round 10.
- If the fight ends after that point, or goes the full distance, the over wins.
- If it ends before that point, by knockout, stoppage or disqualification, the under wins.
- If it ends exactly at 1:30 of round 10, the bet is a push: the stake is refunded. So unlike a points total, a round total ending in .5 can push.
House rules vary. Sportsbooks differ on details such as a fight that ends exactly on the half-round mark, or a scheduled distance that changes. Always read the rules for the market.
The price on a total
A total usually comes with a price on each side, often -110. It’s read the same way as any
American price: at -110 you stake 110 to win 100. The moneyline guide has the details.
Common misreadings
- The over means my team scores more.
- A total counts both teams' points added together. Who wins doesn't matter.
- O/U 221.5 can end in a push.
- A points total ending in .5 can't land exactly, so one side always wins. Only whole-number lines like O/U 221 can push. (Boxing round totals are the exception: see below.)
- O/U 9.5 rounds means the fight has to reach round 10.
- 9.5 rounds is the halfway point of round 10: 1:30 in a 3-minute round. The fight has to go past that point for the over to win. A stoppage at exactly 1:30 is a push. House rules vary, so check them.