Oz Lotto Winning Odds
Understanding the probability of your 7-number selection is key to enjoying the simulator responsibly.
| Division | Matches Required | Odds per Game |
|---|---|---|
| Division 1 | 7 Main Numbers | 1 in 45,379,620 |
| Division 2 | 6 Main + 1 Supp | 1 in 2,160,935 |
| Division 3 | 6 Main Numbers | 1 in 180,078 |
| Division 7 | 3 Main + 1 Supp | 1 in 71 |
How are these calculated?
Oz Lotto is a 7/47 game. The odds are calculated using combinatorial mathematics. For Division 1, the number of ways to pick 7 numbers out of 47 is given by the formula:
47! / (7! * (47-7)!) = 45,379,620