When you play the UK Lotto, it can be difficult to know what your ticket really represents. You hear about potential jackpots and prize tiers, but the figures behind them may feel abstract or confusing.
This blog will break down how the Lotto works, explain what the odds mean in simple terms, and show how the different prize levels compare. You will also see why jackpots are rare, how buying more tickets changes the picture, and how the Lotto stacks up against other UK lottery games. By the end, you’ll have a clearer understanding of the game’s structure, so you can make sense of the numbers behind each possible prize.

Odds are a way of expressing probability. In the context of the UK Lotto, they describe the likelihood that your chosen numbers line up with those drawn.
For example, saying something has odds of “1 in 100”. This means that out of 100 possible outcomes, one of them meets the condition and the rest do not. It does not guarantee that success will happen after exactly 100 tries — it simply states the chance of it happening in one attempt.
In the Lotto, every ticket has the same probability. Each draw is independent, which means the outcome of one draw does not influence the next.
The odds in the UK Lotto come from something called combinations. A combination is a way of counting how many groups of numbers can be formed from a larger pool, without caring about the order they appear in.
In the Lotto, you select 6 numbers from a pool of 59. To find out how many different possible sets of 6 numbers exist, you use the formula for combinations:
59! ÷ (6! × (59 – 6)!)
Here the symbol “!” means factorial, which is multiplying a number by every whole number below it. For example, 6! = 6 × 5 × 4 × 3 × 2 × 1 = 720.
If you work this out for the Lotto, the total number of possible six-number lines is 45,057,474. This is why the jackpot odds are described as 1 in 45,057,474. Out of all those combinations, only one matches the six winning numbers in a particular draw.
To see how this applies to other prize tiers, let’s take the “Match 3” prize as an example.
The calculation looks like this:
(6 choose 3) × (53 choose 3)
Which is:
(20) × (23,426) = 468,520 possible winning lines
Now divide this by the total number of Lotto combinations (45,057,474):
468,520 ÷ 45,057,474 ≈ 0.0104
This works out to around 1 in 97, which matches the published odds for winning £30 with three numbers.
The same method is applied to every prize tier. You count the number of successful combinations for that outcome, and then compare it with the total possible lines. That ratio is what gives the official odds.
The UK Lotto offers several potential prize levels, each with its own odds:
Taken together, the overall chance of winning any prize is around 1 in 9.3.
However, as the Lotto is a game of chance, any winnings can never be guaranteed.
The jackpot is so difficult to win because of the sheer number of possible outcomes. There are more than 45 million different six-number combinations, but only one of them will be the winning line in a draw.
Lower-tier prizes, like matching three or four numbers, tend to happen more often because there are many more ways for part of a line to match the draw.
Even so, winning any prize is never guaranteed. The odds only show how likely something is on average — they do not promise that a prize will be won in a particular draw, or that you personally will receive one after a certain number of entries.
Each Lotto line represents one outcome out of 45,057,474. Buying more tickets does give you more entries, but the odds remain very small in relation to the total number of possibilities.
For example, 20 different lines mean 20 chances out of 45,057,474. The probability is higher than with a single line, but still very low overall.
Repeating the same numbers on more than one ticket does not create additional opportunities. It simply repeats the same probability.
Different lottery games use different number pools, and that directly affects the odds.
When you compare these to the UK Lotto, the differences become clear. The EuroMillions offers larger potential jackpots, but the odds are much longer, meaning jackpots are far less likely to be won. The Thunderball has smaller possible prizes, but statistically a player has a better chance of winning the jackpot than in the Lotto.
However, in all cases, the odds only show probability. They do not guarantee that a prize will be won in any draw, or that you will win if you enter. Lottery outcomes are entirely based on chance, and even with more favourable odds, winnings are never certain.
Several common beliefs do not reflect how the Lotto really works:
These misconceptions often stem from misunderstanding randomness. In the Lotto, every line has exactly the same chance.
Whether the UK Lotto is worth playing is entirely a personal decision. Some people may enjoy the sense of participation and the possibility of winning a prize, while others might feel that the odds are too long to make it worthwhile.
The Lotto, like other draw games, is a random game of chance. The odds only describe probability — they do not promise that a prize will be won in any draw, and no method can guarantee a win.
If you choose to play, it can help to set your own budget, view it as entertainment rather than a way to make money, and pause or stop if it no longer feels enjoyable.
*All values (Bet Levels, Maximum Wins etc.) mentioned in relation to these games 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.