Union Jack Trebles Tool
Union Jack Trebles: 9 picks in a 3x3 grid with 8 trebles along every line.
How to Use This Calculator
- Set your unit stake
- Enter odds for all 9 selections (laid out in a 3×3 grid)
- Mark each selection won, lost, or void
- Read your total return, broken down by line
Formula
9 selections in a 3×3 grid:
1 2 3
4 5 6
7 8 9
8 treble bets along:
- 3 rows: (1,2,3), (4,5,6), (7,8,9)
- 3 columns: (1,4,7), (2,5,8), (3,6,9)
- 2 diagonals: (1,5,9), (3,5,7)
Selection 5 (center) appears in 4 lines. Corner selections appear in 3 lines. Edge selections appear in 2 lines.
Frequently Asked Questions
What does a Union Jack Trebles bet do?
It puts 9 selections in a 3×3 grid and builds 8 treble bets along every row, column, and diagonal — matching the Union Jack flag pattern.
What's the cost of a Union Jack Trebles bet?
8 × your unit stake. At $1 per unit, that’s $8.
Which position matters most?
The center (5) sits in 4 of the 8 lines, so it carries the most weight — put your strongest pick there. Corners hit 3 lines, edges hit 2.
How many selections have to win?
All 3 selections in at least one line. The smallest win is 3 correct picks forming a full row, column, or diagonal.