Betting units explained: what “+50 units” really means

What a betting unit is

A unit is your standard stake, expressed as a share of your bankroll. A common choice is 1% to 2%. With a betting bankroll of €1,000 and 1% units, one unit (1u) is €10; with €5,000 it is €50.

The point is comparability. A tipster with a €50 unit and a follower with a €10 unit can both say “+3 units” and mean the same performance. It also keeps the conversation away from raw amounts, which protects people from comparing their stakes with someone much richer.

Some people keep the unit fixed (flat staking); others recalculate it from time to time as their bankroll changes.

Converting units to euros and yield

Two numbers matter: how many units were won, and how many units were staked to get there.

profit in € = units won × your unit size
yield = units won ÷ units staked × 100%

Example: a tipster posts 400 bets at 1u each and ends at +20u.

• Units staked: 400u. Yield: 20 ÷ 400 = 5%.
• With a €10 unit you would have staked €4,000 and made €200, assuming you got the same odds every time.

Now the same +20u from only 40 bets would be a 50% yield. That isn't more impressive; it is far less believable, because 40 bets are mostly noise. Units won without units staked tell you almost nothing. Our guide to ROI and yield explains both measures.

How units get abused

Units are just a label, and labels can be bent. Four common tricks:

1. Variable unit sizes. “Confidence stakes” from 1u to 5u sound sophisticated, but they let a record look good while losing. Ten picks at odds of 1.80:

The marketing says “7 out of 10 winners”. The record says −3.4 units, a yield of about −21%.

2. “To win 1 unit”. Some tipsters size bets so each one wins one unit. At odds of 1.25 that means staking 4u. If a loss is then logged as −1u instead of −4u, ten such bets with eight wins look like +6u when they are really 8 × 1u − 2 × 4u = 0u.

3. Changing the unit. A unit worth €10 in a losing month and €50 in a winning month makes the euro result look much better than the units suggest. The reverse happens too: units shown when euros look bad, euros shown when units look bad.

4. Fresh starts. “New month, +12u so far” quietly drops last month's −30u. Ask for the full record from the first day.

Why screenshots prove little

A screenshot of a winning bet slip proves that one bet existed. It doesn't show:

• the losing slips that were never posted;
• when the bet was placed relative to the posted tip, or whether the odds were still available to followers;
• how many accounts or channels were running different picks at the same time (only the winning channel keeps posting, which is survivorship bias);
• whether it was edited. Images are easy to change.

Luck alone also produces good-looking records. At odds of 2.00 with no edge at all, the spread after 100 one-unit bets is about ±10 units. So roughly 16 out of 100 tipsters with no skill whatsoever will be +10u or better after 100 bets, purely by chance. Those are the ones who advertise. Our guide on variance explains the maths.

How to check a units record

• Complete and time-stamped: every pick posted before kick-off, including losers, with the odds at the time. Third-party tracking that the tipster can't edit is better than their own spreadsheet.
• Units staked, not just units won: you need both to work out the yield.
• Clear staking rules: flat stakes, or every stake size stated up front.
• Enough bets: several hundred at least, ideally over more than one season.
• Odds you could actually get: compare the posted odds with the closing odds. Beating the closing line regularly is a better sign than a short winning run; see closing line value.

Be especially careful with anyone who sells tips with a “guaranteed” or “safe” label, or asks for money to join a private group. Our guide to betting scams lists the warning signs, and can you win long term? explains why genuine long-term winners are rare.

Units and sure bets

With sure bets, units are less useful. Each one covers every outcome, and the stakes on each leg are set by the odds, so the natural measure is the margin on the total stake: €200 spread across two bookmakers returning €203.98 is a 2.0% margin, whatever unit you use. The result still isn't certain in practice, because odds can change and bets can be voided, so keeping a full bet log in euros is the honest way to see how you are doing.

Frequently asked questions

What is 1 unit in betting?

One unit is your standard stake, usually 1 to 2 percent of the money you have set aside for betting. With a €1,000 bankroll and 1 percent units, one unit is €10. Tipsters use units so that people with different bankrolls can compare results.

How do I convert units into euros?

Multiply the units won by your own unit size. +20 units at €10 per unit is €200. To judge performance, also divide the units won by the units staked: +20 units from 400 one-unit bets is a 5 percent yield.

Why do tipsters use units instead of euros?

Units make results comparable between bettors with different bankrolls. They can also hide losses, for example through stake sizes that change from pick to pick, or by counting a loss as one unit when four were staked.

Does a +50 units screenshot prove a tipster is good?

No. A screenshot shows single bets, not the full record, and it says nothing about the losing picks, the timing or the units staked. By chance alone, a fair share of tipsters without any skill show strong unit totals after 100 bets.

Sources

• Wikipedia: Return on investment
• Wikipedia: Survivorship bias
• Wikipedia: Moneyline (American “to win” stake convention)
• Wikipedia: Expected value

As of October 2026. All figures are worked examples; the 16% figure uses the normal approximation for 100 independent bets at odds of 2.00.

Betting involves risk, including sure bets: prices move, bets get voided and accounts get limited. Only bet money you can do without. Our responsible gambling page lists free, confidential help.

Not betting, financial, legal or tax advice. 18+. As of October 2026.