The Differences Between American and European Roulette

A spinning wooden bowl, a bouncing white ball, and a massive grid of red and black numbers create an instantly recognizable casino experience.

Choosing the wrong wheel will literally double the speed at which the casino drains your money.

Understanding the mechanical and mathematical differences between these two versions of the game is mandatory for any educated gambler.

Let's explain exactly how that one extra green pocket alters the fundamental mathematics of the entire game.

The One Green Pocket That Changes Everything

A classic European Roulette wheel is divided into 37 distinct pockets.

Crucially, the American wheel adds one additional green pocket located directly across the wheel: the dreaded Double Zero (00).

This single extra pocket might seem insignificant, a minor aesthetic difference on a large wheel.

The green zeroes are the casino's ultimate insurance policy.

The casino essentially doubled its trapdoors, making it significantly harder for you to win any bet on the board.

The Brutal Mathematics of American Roulette

The true cost of the American wheel becomes shockingly clear when we calculate the "House Edge" (the mathematical advantage the casino holds).

On a European wheel, there are 37 total numbers. The true odds of hitting your number are 36 to 1 (36 ways to lose, 1 way to win).

The true odds of hitting your number are now 37 to 1 (37 ways to lose, 1 way to win).

This is nearly double the house edge of the European version.

It is a self-imposed mathematical penalty that destroys your bankroll and shortens your entertainment time.

Finding the Best Odds: The French Variation

A French Roulette table uses the superior single-zero European wheel, but adds incredibly player-friendly rules regarding the outside bets.

Under the "La Partage" rule, if you make an even-money bet (Red/Black, Odd/Even) and the green zero hits, the casino immediately refunds exactly half of your bet.

You only lose $50, and the other $50 is pushed back to your stack.

If you are an online player, you have absolutely no excuse for not playing French Roulette, as it is readily available in almost all major digital casino lobbies.

Always read the rules of the table before you place your chips, and refuse to play under predatory terms.

The Ultimate Roulette Comparison

• American Roulette: 38 Pockets (0 and 00). House Edge is a massive 5.26%. Avoid this game at all costs.


• Single Zero Wheel: Always look for a wheel that is missing the 00. It is the easiest way to instantly improve your casino odds.


• The Holy Grail: The absolute best version of Roulette. If the ball hits zero, you get half your Red/Black bet back.


• The Illusion: Because the payouts are identical across all wheels, casual players don't realize they are being robbed by the American odds.

How the House Edge is Calculated

Do not be a victim of casino geography or habit; take control of your odds.

If a physical casino only offers American wheels, simply refuse to play Roulette and move to a different table game with better odds.

Roulette is a beautiful, thrilling game of chance, but it should be played on your terms, not the casino's.