American Roulette: Features numbers 1-36, casino a single zero (0), casino and a double zero (00). French Roulette: Similar to European Roulette, but includes rules like "La Partage" or "En Prison" that can reduce the house edge on even-money bets to as low as 1.35%. The house edge is 2.7%. Let's look at the probabilities and payouts for common bets on a European wheel. Types of Roulette Wheels and casino House Edge
European Roulette: casino (kmatsudajuku.com) Features numbers 1-36 and a single zero (0). The extra pocket nearly doubles the house edge to 5.26%. For casino (read more) this reason, informed players always prefer European or casino - read more, French Roulette when available.
A complete basic strategy chart provides more detailed advice.