Game Rules & Odds

Odds of winning Powerball

Division What you need in one game to win Odds based
on 1 Game*
Odds based
on 12 Games
Division 1 5 winning numbers + the Powerball 54,979,155:1 4,581,596:1
Division 2 5 winning numbers 1,249,526:1 104,127:1
Division 3 4 winning numbers + the Powerball 274,896:1 22,908:1
Division 4 3 winning numbers + the Powerball 7,049:1 587:1
Division 5 4 winning numbers 6,248:1 521:1
Division 6 2 winning numbers + the Powerball 556:1 46:1
Division 7 3 winning numbers 160:1 13:1

* Minimum play for Powerball: 4 standard games

game rules

View the Game Rules for Powerball.

Powerball probability formula

Powerball uses the formula: 45c5 x 45c1 = (45 x 44 x 43 x 42 x 41) / (1 x 2 x 3 x 4 x 5) x (45) / (1)*

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 5 winning numbers + the Powerball 45c5 x 45c1
Division 2 5 winning numbers (45c5 / 5c5) x (45c1 / 44c1)
Division 3 4 winning numbers + the Powerball (45c5 / (5c4 x 40c1)) x (45c1 / 1c1)
Division 4 3 winning numbers + the Powerball (45c5 / (5c3 x 40c2)) x (45c1 / 1c1)
Division 5 4 winning numbers (45c5 / (5c4 x 40c1)) x (45c1 / 44c1)
Division 6 2 winning numbers + the Powerball (45c5 / (5c2 x 40c3)) x (45c1 / 1c1)
Division 7 3 winning numbers (45c5 / (5c3 x 40c2)) x (45c1 / 44c1)

Powerball prize fund

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

(A) For draws conducted on and after 5 May 2007:

Division Percentage
Division 1 40.0%
Division 2 12.9%
Division 3 5.9%
Division 4 4.6%
Division 5 2.6%
Division 6 11.7%
Division 7 22.3%