Saturday Lotto Rules: How to Play and What the Odds Say

The question most people bring to Saturday Lotto is a blunt one: what do I actually have to match before anything comes back? The short answer is that you do not need all six numbers. You pick six from a pool of 45, two supplementary numbers are drawn alongside the six main ones, the draw takes place on Saturday, and Australia's Saturday Lotto rules sort entries into six divisions — the last of which asks for three numbers.

That is most of how to play, sitting in one paragraph. What follows fills in the structure behind it: what the supplementaries actually do, how the six divisions line up against each other, and which odds figure means what.

Six from 45, two supplementaries, and a Saturday draw

Everything in this game hangs off one line: six from 45, plus two supplementary numbers.

The six you choose are what the divisions are mostly built around. The two supplementaries are drawn in addition to those six — and this is the part worth slowing down for, because they do not apply everywhere. Read the six division labels and the supplementaries turn up in exactly two of them: Division 2, which is five numbers plus a supplementary, and Division 5, which is three plus a supplementary. In the remaining divisions, a supplementary is simply not part of what is being asked for.

That one detail clears up a lot of the confusion around Saturday Lotto rules. A supplementary is not a bonus bolted onto every result. It is a component of two specific divisions, and nothing at all in the rest.

The draw day is Saturday. Beyond that, the mechanics are the same for every entry: six numbers, one pool of 45, one division structure to be measured against.

The six divisions, in the order the odds put them

"Supp" there is the supplementary; the plain digits are how many of the six main numbers the division asks you to match.

Read the odds column from top to bottom and it comes down in a straight line. Every division is easier to reach than the one above it, and no pair of rows trades places. Worth stating plainly, because it is the kind of thing readers assume rather than check: on this table the division numbering and the odds tell exactly the same story, with Division 1 the longest shot on the sheet and Division 6 the shortest odds on it.

Two rows repay a second look. Matching five main numbers plus a supplementary — Division 2 — is a longer shot than matching five without one, which is Division 3. Adding the supplementary makes the outcome rarer, not easier, which is why it sits higher up the table. The same shape repeats near the bottom: three plus a supplementary is further out than three on its own.

You will notice there is no prize column above, and that is deliberate rather than an oversight. The facts behind this guide carry the odds for each division, not the amounts. For what a division is currently paying, the operator selling the entry is the one publishing those figures. What the Saturday Lotto game hub does hold is the results side — the winning numbers, draw by draw.

Two odds figures that get quoted as three

Saturday Lotto's odds get repeated a lot, and miscounted almost as often.

Start with the top one. The jackpot odds and Division 1 are the same figure: 1 in 8,145,060 is quoted as the chance at the top prize, and it is also the first row of the table above. One number, showing up twice, describing one event — not two separate facts to stack on top of each other.

Then there is the overall figure: 1 in 42 to win any prize at all. That one is a roll-up, not a row. It describes the chance of landing anywhere in the six divisions, which is why it sits outside the table — and why it is shorter than the odds on every row listed in it. Treat it as a seventh division and you have quietly invented a prize that does not exist.

Underneath both figures sits the part that does not change. Every draw is independent. Saturday's result is not shaped by last Saturday's, and no number is owed an appearance because it has been away for a while — past frequency is trivia, never a signal, and it does not move the odds in the table at all. Every line of six carries the same chance as every other line of six. More entries mean more lines at proportional cost; that is the only literal truth in the neighbourhood, and it is not a reason to spend past a limit you set beforehand.

Checking a ticket, and what this guide leaves to the operator

The order to check in is the order the divisions are written in: your six main numbers first, then the two supplementaries — and the supplementaries only change anything if you are already sitting on five or three main numbers. Our ticket checker does that comparison for you if you would rather not do it by eye.

⚠️ These facts describe Saturday Lotto as of 9 September 2026. Anything about the game may have changed since that date, so confirm before you rely on a figure.

In Australia, lottery prizes are not treated as assessable income, which makes a win tax-free. That is general information rather than tax advice — if a win ever puts you somewhere unfamiliar, a tax professional is the right person to ask.

Anything this guide has not covered — prize amounts in Australian dollars, the ways an entry can be bought and played, the terms and conditions it is sold under — sits with whichever operator sold that entry rather than with us, and deliberately so. Guessing at a figure to round out a guide is how a wrong number ends up quoted back at someone. Lotterywest's Saturday Lotto page is the official page these facts point to; the operator that sold your ticket publishes the version that governs it.

A ticket buys entertainment and the odds above; that is the whole of the offer. If gambling is no longer fun, free and confidential support is available 24/7 from Gambling Help Online on 1800 858 858.

Always confirm winning numbers, prize amounts, and deadlines with the official operator before acting on a ticket — the operator's published results are the only ones that count.

Sources

• lottery.fm game facts database — facts as of 9 September 2026 — Saturday Lotto — game facts

• Lotterywest — official game page — Saturday Lotto on Lotterywest