Unit betting means sizing every bet as a fixed share of your bankroll, called a unit, instead of picking a dollar amount game by game. A unit is usually 1% to 5% of the money you have set aside for betting, so with a $1,000 bankroll and a 2% unit, one unit is $20. A "2-unit bet" is then $40, and a result of "+10 units" means $200 of profit at that size.
Units do two jobs. They keep bet sizes in proportion to your bankroll, which protects it during losing streaks, and they make results comparable between bettors with very different bankrolls. That is why picks on social media and in betting groups are almost always quoted in units, not dollars.
What is a unit in betting?
A unit is your standard bet size. You decide it once, based on your bankroll, and then every bet is expressed as a multiple of it: half a unit for a lean, one unit for a normal play, two or three units for the rare bet you rate highest. The glossary entry for unit has the short version.
The idea is that your confidence changes how many units you bet, but your bankroll decides how much a unit is worth. A bettor with $500 and a bettor with $50,000 can follow the same plan, because both are risking the same share of their money on each bet.
Put the strategy to work.
An edge only matters if the price does not eat it. On BettorEdge you bet against real people at a fairer number, so more of your edge actually survives.
How much is a unit in sports betting?
A unit is as much as 1% to 5% of your bankroll, and most disciplined bettors stay at 1% to 2%. Your bankroll is money you have set aside only for betting and can afford to lose, kept separate from rent and bills. Here is what common unit sizes look like:
| Bankroll | 1% unit | 2% unit | 3% unit | 5% unit |
|---|---|---|---|---|
| $250 | $2.50 | $5 | $7.50 | $12.50 |
| $500 | $5 | $10 | $15 | $25 |
| $1,000 | $10 | $20 | $30 | $50 |
| $2,000 | $20 | $40 | $60 | $100 |
| $5,000 | $50 | $100 | $150 | $250 |
The size matters because of losing streaks. Betting a flat 5% of your starting bankroll, 20 losses in a row wipes it out. At 1%, it takes 100. Streaks of 8 or 10 losses happen to good bettors, so a smaller unit buys time for an edge to show up.
How to calculate a unit in betting
- Set your bankroll. Say you put $2,000 aside for the season.
- Pick a percentage. Cautious bettors use 1% to 1.5%; 2% is a common middle ground; 3% or more is aggressive.
- Multiply. $2,000 x 0.02 = $40 per unit.
- Check that it feels right. If losing a 3-unit bet ($120 here) would bother you, drop to a smaller percentage.
The bankroll calculator does this for you: enter your bankroll and unit percentage to get your per-bet stake, or use its Kelly mode to size bets from the odds and your edge.
How many units should I bet?
Most of your bets should be one unit. A simple scale many bettors use:
- 0.5 unit: a lean, or a long shot with a big payout.
- 1 unit: a standard bet. This should be the large majority of what you place.
- 1.5 to 2 units: a bet you rate clearly above your usual.
- 3 units: rare. If every bet is a "max play," the scale means nothing.
So what does 1.5 units mean in betting? It means a bet one and a half times your unit size. With a $20 unit, a 1.5-unit bet is $30. Be careful with sizing up after a loss to "get it back." That is chasing, and it is the habit units are meant to stop.
Unit size betting strategy: flat units vs percentage units
There are two ways to keep your unit current:
- Flat units: you set the unit once (for example, $20) and leave it until a scheduled review. Simple, and easy to track.
- Percentage units: the unit is always a percentage of your current bankroll. If $2,000 grows to $2,500, a 2% unit rises from $40 to $50; if it falls to $1,600, the unit drops to $32. This shrinks your risk automatically during a slump.
Either works. Many bettors recalculate monthly, or weekly in a busy season, and make changes based on long-term results rather than one hot or cold week. For a comparison with formula-based sizing, see Kelly criterion vs flat betting, and for the bigger picture, unit management and its benefits and these bankroll tips.
How to track units in sports betting
To track units, divide each bet's profit or loss by your unit size, then add the results up. Win a $40 bet at -110 with a $40 unit and you are up 0.91 units, because -110 pays $36.36 on $40. Lose it and you are down 1 unit. At the end of a month, a total like "+6.4 units on 120 bets" tells you more about your betting than a dollar figure does, because it does not change when your bankroll or unit changes.
Units also make a fair yardstick. Pair units won with ROI (profit divided by total amount risked) and you can see which sports and bet types are working. The guides on tracking bets after you place them and bankroll vs budget go further.
Unit betting on BettorEdge
BettorEdge builds units into the order ticket. In the app, Account > Trading preferences holds a Default Unit Size, and the 1x, 2x and 3x buttons on every ticket fill in multiples of it, so a 2-unit bet is one tap instead of mental math during a live game. Every bet is logged automatically, and performance analytics report your results in units and ROI without a spreadsheet.
Because BettorEdge is a peer-to-peer marketplace, you bet against other people rather than a house, with no vig built into the price. Over hundreds of unit-sized bets, a better price on each one adds up. Units are also the backbone of responsible peer betting: a fixed size, a separate bankroll and a record you can check.
Unit betting FAQ
What is a unit in betting?
A unit in betting is your standard bet size, set as a fixed percentage of your bankroll, usually 1% to 5%. With a $1,000 bankroll and a 2% unit, one unit is $20, so a 2-unit bet is $40. Bettors quote picks and results in units rather than dollars so that people with different bankrolls can compare records fairly.
How much is a unit in sports betting?
A unit in sports betting is usually 1% to 2% of your bankroll, and up to 5% for more aggressive bettors. On a $500 bankroll, a 1% unit is $5 and a 2% unit is $10; on $5,000 it is $50 or $100. Smaller units survive losing streaks: at 1%, it takes 100 straight losses at the starting size to wipe out a bankroll.
How many units should I bet?
Most bettors should bet one unit on the large majority of their bets, and rarely more than three. A common scale is half a unit for a lean, one unit for a standard play, one and a half to two units for a stronger bet, and three units only for the rare best bet. Raising the size after a loss to win it back is chasing.
What does 1.5 units mean in betting?
In betting, 1.5 units means a bet one and a half times your standard unit size. With a $20 unit, a 1.5-unit bet is $30; with a $50 unit, it is $75. Tipsters use 1.5 units to signal a bet they rate above their usual play, and results stated as +1.5 units mean a profit of one and a half units.
How do you calculate units in betting?
To calculate units in betting, multiply your bankroll by your chosen percentage to get one unit, then divide each bet's profit or loss by that unit size. A $2,000 bankroll at 2% gives a $40 unit. A $40 bet won at -110 pays $36.36, which is +0.91 units, and a loss is -1 unit. The bankroll calculator does the first step automatically.
Track your bets and size your units
Put the strategy to work.
An edge only matters if the price does not eat it. On BettorEdge you bet against real people at a fairer number, so more of your edge actually survives.