If you have ever checked your Lotto ticket and wondered what the Bonus Ball actually does, you are not alone. It appears in results, yet it never seems to be the key to the jackpot, which can make it feel a bit mysterious.
The short answer is that the Bonus Ball only affects one specific prize tier and is there to help decide payouts for players who match five main numbers. Knowing where it fits makes checking your ticket much easier.
In this guide, you will find a clear explanation of what the Bonus Ball is, when it is drawn, and how it can change your result. If you choose to play, set sensible limits and only spend what you can afford.
What Is The Bonus Ball In Lotto?
The Bonus Ball is an extra number drawn after the six main Lotto numbers in the UK draw. All seven numbers come from the same pool of 1 to 59. You select six numbers when you buy a ticket. The six main winning numbers are drawn first, then a seventh number is taken from the remaining balls. That seventh number is the Bonus Ball.
You cannot pick the Bonus Ball yourself. It is not a separate choice on your ticket and it does not create a prize on its own. Its only purpose is to upgrade the payout for players who have matched exactly five of the six main numbers.
In simple terms, think of the Bonus Ball as an add-on used by the game to decide one higher prize tier. It never replaces a main number and it never turns a line into the jackpot.
Now that the basics are clear, it helps to see how the ball is actually drawn.
How Is The Bonus Ball Drawn?
The draw uses all 59 Lotto balls in the machine at the start. Six are selected one after another to form the main winning line. The machine then continues with the balls that are still inside. The next ball that comes out is the Bonus Ball.
Because the main six have already been removed, the Bonus Ball is guaranteed to be different. There is no extra selection step when you buy your ticket, and there is no second drum. Everything comes from the same set of numbers.
Draws are conducted publicly, and independent observers oversee them to confirm that procedures are followed and results are valid.
With the draw process sorted, the next thing to know is how this extra ball changes the prize table.
How Does The Bonus Ball Affect Prize Tiers?
The Bonus Ball matters only if you match exactly five of the six main numbers. If that happens and your remaining chosen number is the Bonus Ball, your prize moves up into the five plus Bonus Ball tier. This pays more than the prize for matching five main numbers on their own, but it is still not the jackpot, which requires all six main numbers.
For all other prize tiers, the Bonus Ball is not involved. Matching three main numbers, for example, pays a fixed amount without reference to the Bonus Ball, and matching four or two follows the published structure in the same way.
A quick example helps. Imagine the main numbers are 3, 11, 16, 27, 44 and 52, and the Bonus Ball is 9. If your line contains five of those six main numbers, and your sixth number is 9, that counts as five plus Bonus Ball.
So what are your chances of landing that outcome?
What Are The Odds Of Matching The Bonus Ball?
There is no prize for matching the Bonus Ball by itself. The relevant result is five plus Bonus Ball, which means five main numbers and the Bonus Ball on the same line. With 59 numbers in play, the odds of achieving this on a single line are 1 in 7,509,579.
That makes it a rarer outcome than most other winning tiers, but it is still more common than matching all six main numbers. Each draw is independent, and every combination has the same chance each time.
If you do hit five plus Bonus Ball, here is how payouts are decided.
Matching The Bonus Ball And Prize Payments
Five plus Bonus Ball sits in its own prize tier. It is separate from the jackpot, which needs all six main numbers, and it pays more than the prize for five main numbers alone. The exact amount can vary between draws, because it depends on the prize fund and how many players also achieve that result on the night.
After each draw, official results and prize amounts are published. If you play online, smaller wins are usually credited to your account, while larger payouts may require additional checks. For those using paper tickets, the way you receive your prize depends on its value and the retailer’s payout limits.
Next, a quick word on what happens if your line only includes the Bonus Ball.
Claiming Prizes When You Only Match The Bonus Ball
Matching the Bonus Ball without at least five main numbers is not a winning outcome in Lotto, so there is no prize to claim in that case. The Bonus Ball only has value when it completes the five plus Bonus Ball combination.
If you do have five main numbers and the Bonus Ball, you can claim in line with how you played. Online entries are generally paid into your account up to a set threshold, with higher amounts arranged directly with the operator. For tickets bought in a shop, smaller prizes are often paid in-store, and larger wins are handled through the official claims process. Check the current rules for claim windows and identification requirements so nothing is missed.
Understanding how the Bonus Ball works makes checking results much clearer, especially when you are one number away from the top prize. If you choose to take part, set sensible limits and keep play affordable.
*All values (Bet Levels, Maximum Wins, etc.) mentioned in relation to this game are subject to change at any time. Game features mentioned may not be available in some jurisdictions.
**The information provided in this blog is intended for educational purposes and should not be construed as betting advice or a guarantee of success. Always gamble responsibly.