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Roulette is universally recognized as one of the most iconic and popular games in casino history.

European and American roulette may look nearly identical to the untrained eye, but the math differs wildly.
The Impact of the Double Zero
A European roulette wheel features 37 pockets in total: the numbers 1 through 36, plus a single zero (0).

This single extra pocket on the American wheel drastically alters the mathematical probabilities of the game.
The extra number changes all probability calculationsThe betting layout is slightly larger on the American tableEuropean tables often use a different chip system Why the House Edge Matters
With a house edge of 2.70%, European roulette is relatively fair compared to many other casino games.

Statistically, for every $100 you wager, you expect to lose $2.70 on European and $5.26 on American.
Lowering the Edge Even Further
The "La Partage" rule dictates that if the ball lands on zero, you only lose half of your even-money bet.

This makes French roulette one of the most mathematically favorable table games on the entire casino floor.
TypeLong Term Loss per $100Player ValueSingle Zero$2.70ExcellentDouble Zero$5.26Terrible
Playing American roulette is a mathematical mistake that unnecessarily drains your bankroll twice as fast.