Third Dozen Bet (25-36)
A bet covering the third 12 numbers (25-36) with a 2:1 payout.
By the numbers
| European | American | |
|---|---|---|
| Pockets covered | 12 / 37 | 12 / 38 |
| Payout | 2:1 | 2:1 |
| Chance to win a spin | 1 in 3.1 (32.43%) | 1 in 3.2 (31.58%) |
| House edge | 2.70% | 5.26% |
| Expected loss per 100 spins at $10 | $27.03 | $52.63 |
| Median spins to first hit | 2 | 2 |
| Longest miss streak in 100 spins (typical / 1-in-100) | 9 / 20 | 10 / 20 |
3rd Dozen covers 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36. A 3rd dozen bet hits at least once in 10 spins 98.0% of the time, in 50 spins 100.0%, in 100 spins 100.0% (European). On an American wheel: 97.8%, 100.0%, and 100.0%.
Flat betting Third Dozen Bet (25-36) from $500
- European: after 1000 spins at $10 on 3rd dozen, 46.5% of 5,000 bankrolls had busted and the median bankroll was $130.
- American: 3rd dozen for 1000 spins left 66.9% of bankrolls busted with a median bankroll of $0.
Learn How This Bet Fits the Table
Third Dozen Bet (25-36) - Quick Odds Calculator
| Payout | 2:1 |
| Numbers Covered | 12 |
| House Edge (European) | 2.7% |
| House Edge (American) | 5.26% |
Example: A $10 third dozen bet (25-36) bet wins $20 profit on European roulette 32.4% of the time.
How the 3rd Dozen Bet Works
The third dozen covers 25 through 36, the rows farthest from zero.
Place the chip in the 3rd 12 box at the far end of the outside section. Any number from 25 to 36 wins at 2 to 1.
Zero and 00 lose the bet, along with every number below 25.
When this bet makes sense
The third dozen is a common half of a two-dozen bet. A player puts equal chips on two dozens, often the second and third, and wins on most spins. Each win leaves one chip of profit across the pair, and each loss costs two chips. That pattern suits a player who wants frequent small wins. A single loss erases two wins, so a session can look better than it is until a losing spin arrives. On its own, the third dozen sits entirely inside the high bet, which matters if you hold both.
Mistakes to avoid
- Running a two-dozen bet and reading the frequent wins as a sign it beats the table, when each loss cancels two wins.
- Placing the chip in the 2 to 1 box past 36 when you mean the third dozen, which bets column 3 instead.
- Adding the third dozen to a high bet as extra coverage, when every third-dozen number is already high.