Roulette Simulator
Outside Bet

First Dozen Bet (1-12)

A bet covering the first 12 numbers (1-12) with a 2:1 payout.

Payout
2:1
Win Chance (EU)
32.4%
Numbers
12
Style
Moderate

First Dozen Bet (1-12) - Quick Odds Calculator

European Roulette
32.43%
Win chance
American Roulette
31.58%
Win chance
Payout2:1
Numbers Covered12
House Edge (European)2.7%
House Edge (American)5.26%

Example: A $10 first dozen bet (1-12) bet wins $20 profit on European roulette 32.4% of the time.

How the 1st Dozen Bet Works

1

Place Your Chips

Place your chips in the 1st dozen betting area on the outside of the number grid.

2

Wheel Spins

The dealer spins the wheel and the ball lands on one of the 37 (or 38) pockets.

3

Win Condition

You win if the ball lands on any of your 12 covered numbers. Win pays 2:1 on your bet.

Strategy Tips for 1st Dozen

Best For

  • • Balanced players
  • • Moderate session lengths
  • • Combination betting strategies

Compatible Strategies

  • • Flat betting (same amount each spin)
  • • Cover betting (multiple positions)
  • • Sector betting (wheel sections)

European vs American Roulette

Always choose European roulette when available. The 1st Dozen bet has:

European
32.43% win chance
American
31.58% win chance

Practice the 1st Dozen Bet

Try the 1st dozen bet in our free roulette simulator.

Play Free Roulette