Union Jack Trebles Sports Calculator
9 picks in a 3x3 grid, 8 trebles.
How to Use This Calculator
- Pop in your unit stake
- Add the odds for all 9 selections (they sit in a 3×3 grid)
- Tap won, lost, or void for each selection
- Check your total return with a line-by-line breakdown
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's a Union Jack Trebles bet?
It drops your 9 selections into a 3×3 grid and builds 8 treble bets along every row, column, and diagonal — just like the lines on the Union Jack flag.
How much does a Union Jack Trebles bet cost?
It runs 8 × your unit stake. So at $1 a unit, you’re putting down $8 in total.
Which spot matters most?
The center spot (5) shows up in 4 of the 8 lines, so it carries the most weight — put your best pick there. Corners land in 3 lines and edges in 2.
How many picks have to come in?
You need all 3 selections in at least one line. The smallest winning result is 3 correct picks that make up a full row, column, or diagonal.