Game Rules & Odds

odds of winning TattsLotto

TattsLotto odds effective from Draw 3081, 29 January, 2011.

Division Required to Win in A Single Game Panel Odds based
on 1 Game*
Odds based
on 12 Games
1 6 winning numbers 8,145,060:1 678,755:1
2 5 winning numbers + 1 or 2 supplementary numbers 678,755:1 56,563:1
3 5 winning numbers 36,689:1 3,058:1
4 4 winning numbers 733:1 61:1
5 3 winning numbers + 1 or 2 supplementary numbers 297:1 25:1
6 1 or 2 winning numbers + 2 supplementary numbers 144:1 12:1

* Minimum play for TattsLotto: 4 standard games

game rules

View the Game Rules for TattsLotto.

TattsLotto probability formula

TattsLotto uses the formula: 45c6 = (45 x 44 x 43 x 42 x 41 x 40) / (1 x 2 x 3 x 4 x 5 x 6)*

Prize Division What you need in one game to win Formula

*Used to calculate Division One odds of winning. A minimum of 4 games is required to play.

Division 1 6 winning numbers 45c6
Division 2 5 winning numbers + 1 or 2 supplementary numbers (45c6 / (6c5 x (39c1 - 37c1)))
Division 3 5 winning numbers (45c6 / (6c5 x 37c1))
Division 4 4 winning numbers (45c6 / (6c4 x 39c2))
Division 5 3 winning numbers + 1 or 2 supplementary numbers (45c6 / (6c3 x (39c3 - 37c3)))
Division 6 1 or 2 winning numbers + 2 supplementary numbers 45c6 / ((6c1 x 37c3) + (6c2 x 37c2))

TattsLotto prize fund

In accordance with Rules 11.7 and 11.8 of the Rules of Authorised Lotteries, the Prize Fund in each draw of TattsLotto shall be distributed amongst the Prize Divisions as follows:

(A) For draws conducted on and after 29 January 2011:

Division Percentage
Division 1 28%
Division 2 3.8%
Division 3 8.2%
Division 4 12.4%
Division 5 20.8%
Division 6 26.8%