Calculate Union Jack Trebles
9 picks in a 3x3 grid with 8 trebles along the lines.
How to Use This Calculator
- Set your unit stake
- Drop in odds for all 9 selections (laid out across a 3×3 grid)
- Tap won, lost, or void for each selection
- Get your total return, broken down line 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 exactly is a Union Jack Trebles bet?
A Union Jack Trebles bet sets 9 selections on a 3×3 grid and spins up 8 trebles along every row, column, and diagonal — tracing the shape of the Union Jack flag.
What does a Union Jack Trebles bet cost?
It runs 8 × your unit stake. With $1 units, you’re staking $8.
Which position carries the most weight?
The center slot (5) sits in 4 of the 8 lines, so it’s the heavy hitter — park your strongest pick there. Corners land in 3 lines, edges in 2.
How many selections have to land?
All 3 selections in at least one line need to win. The leanest winning path is 3 correct picks forming a complete row, column, or diagonal.